Health Library

The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.

Medical Specialties

  • Learn about general anesthesia: what it is, how it's done, and its safety and side effects.

  • It can be hard to know which treatments you may or may not want near the end of life. Learning more can help.

  • Learn about a peripheral nerve block: what it is, how it's done, and how safe it is.

  • Learn about spinal anesthesia: what it is, how it's done, and its safety and side effects.

  • Learn about epidural anesthesia: what it is, how it's done, and its safety and side effects.

  • Learn about an epidural for labor: what it is, how it's done, and its safety and side effects.

  • Guides you through the decision to use epidural corticosteroid shots to relieve back pain. Explains risks and benefits of epidural steroid shots. Compares steroid shots with other treatment for back pain.

  • Guides you through the decision to have surgery for a herniated disc in the low back. Describes the types of surgery available, as well as nonsurgical treatment. Lists the benefits and risks of both types of treatment. Includes interactive tool to help you make your decision.

  • You and your birth partner can take part more fully in a vaginal birth than you can in a cesarean delivery. During a cesarean, the mother gets either a regional anesthetic or a general anesthetic. She can't fully take part in her baby's birth. Some...

  • Local anesthesia uses medicine to block sensations of pain from a specific area of the body. Local anesthetics are usually given by injection into the body area that needs to be anesthetized. They are not injected into the bloodstream (intravenous,...

  • A doctor may use procedural sedation for a minor procedure that needs only small amounts of anesthesia and doesn't require an anesthesia specialist to be there. This type of sedation uses local anesthesia with sedatives to relax you. You may or may...

  • Regional anesthesia is the use of local anesthetics to block sensations of pain from a large area of the body, such as an arm or leg or the abdomen. Regional anesthesia allows a procedure to be done on a region of the body without your being...

  • Peripheral nerve blocks are a type of regional anesthesia. The anesthetic is injected near a specific nerve or bundle of nerves to block sensations of pain from a specific area of the body. Nerve blocks usually last longer than local anesthesia....

  • Epidural and spinal blocks are types of anesthesia in which a local anesthetic is injected near the spinal cord and nerve roots. It blocks pain from an entire region of the body, such as the belly, the hips, the legs, or the pelvis. Epidural and spinal anesthesia are used mainly for surgery of the lower belly and the...

  • General anesthesia is a combination of medicines that you inhale or receive through a needle in a vein to cause you to become unconscious. It affects your whole body. Under anesthesia, you should be completely unaware and not feel pain during the...

  • Muscle relaxants are medicines that block the nerve impulses to the muscles. They sometimes are also referred to as neuromuscular blocking agents. These medicines are often used during general anesthesia, but they do not usually affect whether you...

  • People receiving anesthesia must be carefully watched, because the medicines used for anesthesia affect the central nervous system, cardiovascular system, and respiratory system (airway and lungs). Anesthesia suppresses many of the body's normal...

  • As part of preparing for a medical procedure requiring anesthesia, you will have an exam to check on your health and to identify any health risks that may affect your anesthesia care. Tell your anesthesia specialist about your health history,...

  • Local anesthesia for childbirth is most commonly given as a shot that numbs the area around the vagina just before an episiotomy is done. An episiotomy is a cut made in the tissue between the vagina and anus just before the baby's head starts to emerge. (The tissue is called the perineum.) The cut makes the vaginal...

  • Pudendal block To relieve pain associated with the second (pushing) stage of labor, an injection called a pudendal block can be given through the vaginal wall and into the pudendal nerve in the pelvis, numbing the area between the vagina and anus (perineum). Pudendal blocks do not relieve the pain of contractions. A...

  • Epidural anesthesia is an effective form of childbirth pain relief. Epidural anesthesia is the injection of a numbing medicine into the space around the spinal nerves in the lower back. It numbs the area above and below the point of injection and allows you to remain awake during the delivery. It can be used for either...

  • Spinal anesthesia (spinal block) is similar to epidural anesthesia, except the anesthetic is injected in a single dose into the fluid around the spinal cord. A spinal block may also be called a saddle block. It numbs the area that would come into contact with the saddle of a horse. Like an epidural catheter, a spinal...

  • Guides you through decision to have an epidural during childbirth. Lists benefits and risks. Lists other ways to control labor pain. Includes interactive tool to help you make your decision.

  • What is anesthesia? Anesthesia is a way to control pain during a surgery or procedure by using medicine called anesthetics. It can help control your breathing, blood pressure, blood flow, and heart rate and rhythm. Anesthesia may be used to: Relax you. Block pain. Make you sleepy or forgetful...

  • Guides through decision to receive CPR (cardiopulmonary resuscitation) and mechanical ventilation. Describes the procedures and discusses risks and benefits of each. Includes interactive tool to help you make your decision.

  • Provides brief discussion on nerve block for pain relief. Explains that it is done by injecting a drug into or around a nerve or into the spine. Covers when and why nerve blocks are used. Also covers risks.

  • Pain medicine works better when the pain first starts, before it gets too bad. A patient-controlled analgesia (PCA) pump lets you give yourself intravenous (IV) pain medicine when you need it. This gives you more control of your pain relief. The PCA pump contains your pain medicine. Usually that medicine is morphine...

  • Topic guides reader through decision to get an ICD for heart rhythm problems. Provides general overview of what ICDs are and what heart rhythm problems can be helped with ICDs. Lists benefits and possible complications of getting an ICD.

  • Transcatheter aortic valve replacement (TAVR) is a way to replace the aortic valve without open-heart surgery. This procedure is done to treat aortic valve stenosis. TAVR is often done through an incision (cut) in the groin. But sometimes a small cut is made in the chest. The doctor uses a tube called a catheter and...

  • Learn how you'll feel after lung surgery and how to take care of yourself at home.

  • Discusses nonsurgical procedure, called catheter ablation, for atrial fibrillation if medicine is not effective or not tolerated. Also discusses implanting a pacemaker. Looks at why procedure is done, how well it works, and possible risks.

  • Guides you through decision to have bypass surgery. Explains when bypass surgery might be needed. Covers other treatment options. Includes interactive tool to help you make your decision.

  • Learn what cardiac catheterization for PDA is and how to prepare your child for it.

  • Learn what you can do at home to care for your child after a cardiac catheterization for PDA.

  • Learn what an EP study and ablation are and how to prepare your child for each one.

  • Learn what you can do at home to care for your child after an EP study and ablation.

  • Find out how you'll feel after a catheter ablation and how to take care of yourself at home.

  • Learn how lung surgery is done and what you can do to prepare.

  • Learn what transcatheter aortic valve replacement (TAVR) is and how it is done.

  • Learn how to take care of yourself and what activities to avoid after open-heart surgery.

  • Learn how an ICD works and how it can help your heart.

  • See what you can expect and how to prepare for getting a pacemaker.

  • See some tips for taking care of yourself after your procedure.

  • Learn about catheter ablation for supraventricular tachycardia and how this procedure is done.

  • Guides you through the decision to have catheter ablation for the heart rhythm problem supraventricular tachycardia. Lists benefits and risks of catheter ablation and medical therapy. Includes interactive tool to help you make your decision.

  • Learn how surgery is done to repair or replace heart valves.

  • Learn what catheter ablation is and how it is done to treat atrial fibrillation.

  • Cardiac resynchronization therapy (CRT) uses a special type of pacemaker called a biventricular pacemaker (say "by-ven-TRICK-yuh-ler") to treat heart failure. This pacemaker sends electrical pulses to make the ventricles pump at the same time. A biventricular pacemaker is implanted in the chest, and it connects to...

  • Commissurotomy is an open-heart surgery that repairs a mitral valve that is narrowed from mitral valve stenosis. During this surgery, a person is put on a heart-lung bypass machine. The surgeon removes calcium deposits and other scar tissue from the valve leaflets. The surgeon may cut parts of the valve structure. This...

  • A balloon valvotomy is a treatment for mitral valve stenosis. It is a procedure that widens the mitral valve so that blood flows more easily through the heart. A balloon valvotomy is a minimally invasive procedure. A doctor uses a thin flexible tube (catheter) that is inserted through an artery in the groin or arm and...

  • Learn what bypass surgery does for your heart and what will happen during surgery.

  • Open surgery is done to repair an abdominal aortic aneurysm. It is called an open surgery because the abdomen is opened so the doctor can see and work on the aorta. Open surgery is the traditional method of repair. To repair the aneurysm, a doctor...

  • Endovascular repair is a procedure to fix an aortic aneurysm in the abdomen. It's called endovascular because a doctor repairs the aneurysm from the inside of the damaged blood vessel (the aorta). This is not a surgery. This is a minimally invasive...

  • Balloon valvuloplasty (also called valvulotomy or valvotomy) is a procedure that widens a heart valve that is narrowed. The cause of this narrowing in the aortic valve is aortic valve stenosis. During this procedure, the doctor puts a thin, flexible tube called a catheter into a blood vessel in your upper leg (groin)...

  • Topic guides reader through decision to get a pacemaker for heart rate problems. Provides general overview of what pacemakers are and what heart problems can be helped with pacemakers. Lists benefits and possible complications of getting a pacemaker.

  • Aortic valve replacement gives you a new aortic heart valve. The new valve may be mechanical or made of animal tissue. You and your doctor can decide before surgery which type of valve is best for you. The aortic valve opens and closes to keep blood flowing in the proper direction through your heart. When the aortic...

  • Discusses mediastinoscopy, a surgical procedure used to find problems in the upper chest and lungs. Covers why and how it is done. Looks at risks and how to prepare. Covers normal and abnormal results. Covers what to think about when having a mediastinoscopy.

  • What is mitral valve regurgitation? Mitral valve regurgitation means that one of the valves in your heart—the mitral valve—is letting blood leak backward into the upper area of the heart. Heart valves work like one-way gates, helping blood flow in one direction between heart chambers or in and out of the heart. The...

  • Covers types of coronary bypass surgeries, also called CABG. Includes minimally invasive surgeries. Links to slideshow of CABG. Looks at when surgery is done. Describes how surgery is done, recovery time, and risks.

  • Chronic obstructive pulmonary disease (COPD) weakens the structure of the lung and may also damage the tiny air sacs (alveoli) in the lung. When these air sacs break down, larger airspaces known as bullae are formed. Bullae sometimes can become so...

  • Mitral valve replacement surgery may be needed for mitral valve regurgitation or mitral valve stenosis . Valve replacement is typically done as an open-heart surgery. Minimally invasive types of surgery may be another option. This document describes open-heart surgery. Before you have valve replacement...

  • Discusses aortic valve regurgitation. Discusses symptoms and how it is diagnosed. Covers treatment with medicines and aortic valve replacement surgery. Covers lifestyle changes to help the heart work better.

  • What is aortic valve stenosis? Aortic valve stenosis is a narrowing of the aortic valve. The aortic valve allows blood to flow from the heart's lower left chamber (ventricle) into the aorta and to the body. Stenosis prevents the valve from opening properly, forcing the heart to work harder to pump blood through the...

  • A lung biopsy removes a small piece of lung tissue which can be looked at under a microscope. The biopsy can be done in four ways. The method used depends on where the sample will be taken from and your overall health. Bronchoscopic biopsy. This type of biopsy uses a lighted instrument (bronchoscope)...

  • Pericardiocentesis is done to find the cause of fluid buildup around the heart and to relieve pressure on the heart. The tissue sac that surrounds the heart is called the pericardium. It protects the heart and parts of the major blood vessels connected to the heart. Normally, there is a small amount of fluid between...

  • In lung volume reduction surgery (LVRS), a large area of damaged lung is removed to allow the remaining lung tissue to expand when you breathe in. This surgery is done only for people with severe chronic obstructive pulmonary disease (COPD) or with...

  • A heart transplant is a procedure in which a surgeon removes a diseased heart and replaces it with a donor heart. During a heart transplant, a mechanical pump circulates blood through the body while the surgeon removes the diseased heart and replaces it with a healthy heart from a recently deceased donor. The surgeon...

  • Covers procedure to destroy (ablate) tiny areas of heart muscle causing fast heart rate. Includes radiofrequency ablation and cryoablation. Covers use for supraventricular tachycardia (SVT), atrioventricular reciprocating tachycardia (AVRT), Wolff-Parkinson-White (WPW) syndrome, and ventricular tachycardia.

  • Discusses pacemakers used to treat bradycardia. Discusses various types of pacemakers. Covers how they work and how well they work, risks, and possible side effects.

  • Discusses surgical treatment to control irregular heartbeat and restore normal rhythm of heart. Looks at what to expect after surgery such as taking medicine such as Coumadin. Covers risks.

  • Looks at lung surgery (called thoracotomy) to treat lung cancer. Covers how it is done and what to expect after surgery. Covers its risks and how well it works. Offers illustrations on three types of surgery: wedge resection, lobectomy, and pneumonectomy.

  • What is an intra-aortic balloon pump? An intra-aortic balloon pump (IABP) is a mechanical device that helps the heart pump blood. This device is inserted into the aorta, the body's largest artery. It is a long, thin tube called a catheter with a balloon on the end of it. If you are hospitalized, your doctor may insert...

  • A ventricular assist device (VAD), also known as a heart pump, is a mechanical device that helps pump blood from the heart to the rest of your body. A VAD can be implanted in the chest or worn outside the body. If it is implanted, surgery is done to place it in the chest area. The pump part of the VAD is placed in a...

  • Answers questions about organ transplants. Covers becoming an organ donor and getting on a waiting list. Covers tests used to see if you'd be a good candidate. Looks at medicines that you might take after a transplant. Offers tips for staying healthy.

  • What is mitral valve stenosis? Mitral valve stenosis is a heart problem in which the mitral valve doesn't open as wide as it should. The valve becomes stiff or scarred, or the valve flaps become partially joined together. See a picture of mitral valve stenosis. Mitral valve stenosis can lead to heart failure; a...

  • What happens at the hospital before the CABG procedure? You will likely need to check into the hospital the night before or morning of your coronary artery bypass graft (CABG) procedure. You will take a shower with an antiseptic soap the night before surgery. You won't be allowed anything to eat or drink after...

  • How do you prepare for CABG surgery? There are many things that you can and must do in the days and weeks before your coronary artery bypass graft (CABG) surgery. Your surgeon will give you specific instructions on how to prepare for your CABG surgery. CABG surgery is an invasive procedure that has a fairly long...

  • A team of surgeons, nurses, and other medical staff will participate in your coronary artery bypass graft (CABG) surgery. Each team member has a specific set of responsibilities before, during, and after the surgery. CABG surgery is a complex operation. It involves a great deal of technical expertise and precision. The...

  • Each person's recovery from coronary artery bypass graft (CABG) surgery is a little different. Your road to recovery has many steps, including time in the hospital, time at home, and participation in a rehabilitation program. You will hear a common theme during your recovery: Everyone heals at a different pace...

  • What happens in the first 24 hours after CABG surgery? After your coronary artery bypass graft (CABG) surgery is finished, you will be transferred to a cardiac intensive care unit (CICU) or surgical ICU so that specially trained hospital staff can monitor your condition. The recovery process is different for every...

  • You will recover in the hospital after coronary artery bypass graft (CABG) surgery until your doctors feel it is safe for you to go home. During this time, staff on the cardiac recovery floor will help begin your rehabilitation and educate you on how to care for yourself when you return home. You must demonstrate that...

  • Although you may return home a few days after the completion of your coronary artery bypass graft (CABG) procedure, it may take several months before you can return to all of the activities you enjoyed prior to surgery. Recovery from major surgery has both physical and emotional aspects. For the first month or two...

  • What are your responsibilities during your recovery from bypass surgery? You have several responsibilities while you are recovering from coronary artery bypass graft (CABG) surgery, including: Caring for your wounds. Taking your medicines. Monitoring your weight. Improving your heart and lung...

  • People in recovery from coronary artery bypass graft (CABG) surgery may need assistance from family members and friends in a variety of ways. You may help your loved one for several weeks during recovery with a number of tasks, including shopping, cleaning, and driving. You can also help support your loved one in making...

  • During coronary artery bypass graft (CABG) surgery, your surgeon will use a healthy blood vessel from another part of your body to create an alternate route, or bypass, around narrowed or blocked sections of your coronary arteries. This bypass surgery allows more blood to reach your heart muscle. Your medical team...

  • Standard coronary artery bypass graft (CABG) surgery works very well to improve blood flow to the heart. But the procedure is very invasive to your body for two major reasons. It involves making a large cut in your chest to expose your heart and arteries. It requires stopping your heart and connecting you to a...

  • Rheumatic fever is a bacterial infection that can cause problems with the heart's aortic and mitral valves. Rheumatic fever is caused by certain strains of streptococcal bacteria. A strep throat infection that isn't properly treated can trigger rheumatic fever. Rheumatic fever can damage heart muscle and heart valves...

  • Guides you through decision about choosing new valve to replace your heart valve if you have aortic valve problems or mitral valve problems. Compares benefits and risks of mechanical valves versus tissue valves. Includes interactive tool to help you make your decision.

  • The major decision in treating aortic valve regurgitation is whether to have aortic valve replacement surgery and, if so, when to do it. Your doctor will check the severity of your condition. Your doctor will also check your overall health to see if surgery is too risky for you. Then you and your doctor will weigh...

  • Guides through decision to get a pacemaker for heart failure. Answers common questions about pacemakers, such as how they work and are placed. Covers benefits and risks. Includes an interactive tool to help you make your decision.

  • Guides you through decision to get an implantable cardioverter defibrillator (ICD). Gives information about ICDs and asks questions to help you learn if an ICD is right for you. Covers benefits and risks. Includes an interactive tool to help you decide.

  • What is heart valve disease? Heart valve disease is the term used for a number of conditions that affect the four valves of the heart. A heart valve disease happens when any of the heart's valves either cannot open well enough to let blood flow through (stenosis) or cannot close well enough to prevent backflow...

  • What is mitral valve prolapse? Your mitral valve controls blood flow on the left side of your heart. The valve opens and closes with each heartbeat. It works like a one-way gate, letting blood flow from your upper heart chamber to your lower chamber. When you have mitral valve prolapse (MVP), the valve closes after...

  • If you have mitral valve stenosis and you need surgery to treat it, you have a choice of repairing the valve or replacing it. Many things play a role in this decision. These things include whether you have symptoms or other health problems (or both), the severity of your mitral valve stenosis, the shape of the mitral...

  • To treat mitral valve regurgitation surgically, the options are to repair or replace the mitral valve. Repair of the heart valve may be recommended if it is likely that the valve can be repaired and that the repair will last a long time. Valve...

  • Guides you through the decision to have catheter ablation for the heart rhythm problem atrial fibrillation. Lists benefits and risks of catheter ablation and medical therapy. Includes interactive tool to help you make your decision.

  • Discusses complementary medicine of bodywork and manual therapy used for relaxation and pain relief. Includes massage, Alexander technique, Feldenkrais method, Trager approach, Rolfing, deep tissue massage, and dance. Covers safety.

  • Provides links on yoga, massage therapy, and dietary supplements. Also links to information on naturopathic medicine. Interactive links include stress management, muscle relaxation, and deciding whether to use complementary medicine.

  • Therapeutic touch is based on ancient healing practices. The goal of the technique is to help people relax, relieve their pain, and help them heal faster. Therapeutic touch is thought to promote healing through restoring harmony to a person's energy...

  • Complementary medicine includes many treatments you can use along with standard medical treatment. A lot of people use some form of complementary medicine to treat osteoarthritis. Some of these treatments may help you move more easily and deal with the stress and pain of arthritis. But in some cases, not much is...

  • Warfarin is a pill that you take regularly to help prevent blood clots or to keep a clot from getting bigger. Coumadin is the common brand name for warfarin. To ensure that warfarin is effectively thinning your blood, it's important to eat about the same amount of vitamin K every day. Vitamin K normally helps your...

  • Learn about acupuncture and massage for low back pain.

  • Discusses a traditional Chinese therapy that uses very thin needles placed in the skin to influence energy flow (called chi or qi). Explains its complementary medicine use for pain and conditions such as headaches and carpal tunnel syndrome. Covers safety issues.

  • Discusses biofeedback alternative therapy to control body functions such as skin temperature, muscle tension, heart rate, or blood pressure. Covers electromyography and peripheral temperature or hand temperature biofeedback. Discusses training and safety.

  • Massage is rubbing the soft tissues of the body, such as the muscles. Massage may be helpful in reducing tension and pain, improving blood flow, and encouraging relaxation. Massage therapists usually apply pressure with their hands, but they can...

  • Glucosamine and chondroitin are part of normal cartilage. Cartilage acts as a cushion between the bones in a joint. Glucosamine, also called chitosamine, is a natural substance that is found in the covering of shellfish. It is available in different...

  • What is arnica? Arnica, also called Arnica montana, is a plant that is native to the mountainous regions of Europe and southern Russia. The flowers and leaves of this plant have many traditional medicinal uses. Arnica is available as an ointment or gel and can be found in most health food stores. What...

  • Covers benefits and risks of complementary and alternative medicine. Provides links to various therapies, including homeopathy, yoga, acupuncture, and herbal supplements. Also includes links to tools to help you decide if complementary medicine is right for you.

  • Discusses system of medicine partly based on the idea that energy flows along pathways in the body called meridians. Covers acupuncture, acupressure, Chinese herbs, cupping, diet, and massage. Covers safety and side effects.

  • Magnetic field therapy uses magnets to maintain health and treat illness. The human body and the earth naturally produce electric and magnetic fields. Electromagnetic fields also can be technologically produced, such as radio and television waves....

  • Covers ayurveda (ayurvedic medicine) from India. Discusses good health and prevention of illness with practices like massage, meditation, yoga, diet, and use of herbal remedies. Looks at three body components (doshas) known as Vatta, Pitta, and Kapha.

  • Discusses aromatherapy (essential oils therapy) to treat disease. Includes oils that are put on the skin or in bath water, sprayed, inhaled, or massaged. Looks at uses to relax, relieve stress, and treat illness. Covers safety.

  • Hypnosis is a state of focused concentration during which a person becomes less aware of his or her surroundings. Hypnotherapy is the use of hypnosis to treat physical or psychological conditions. During a hypnotic state (trance), a person may be...

  • Spinal manipulation, also called spinal adjustment, is a treatment that uses pressure on a joint of the spine. It is used to improve pain and function. Manipulation can be done with the hands or a special device. The careful, controlled force used...

  • Chiropractic is an approach to health care that uses spinal manipulation to relieve pain. It is most often used for back or neck pain. It is sometimes used for headaches or for pain in the arms or legs. Most doctors of chiropractic ( chiropractors) take a natural approach to promoting health through lifestyle...

  • Like other complementary medicine therapies, healing touch starts with the idea that people are naturally healthy. The way people live and think may disturb their natural energy, and they may become ill. The aim of healing touch is to focus (or...

  • Explains what dietary supplements are. Covers uses including preventing illness, reducing fever, curing infection, easing pain, or healing wounds. Covers safety issues like side effects and interaction with other medicines or supplements being taken.

  • Homeopathy, or homeopathic medicine, is a medical philosophy and practice based on the idea that the body has the ability to heal itself. Homeopathy was founded in the late 1700s in Germany and has been widely practiced throughout Europe....

  • Naturopathic medicine (or naturopathy) is based on the belief that the body can heal itself. It aims to improve health, prevent disease, and treat illness through the use of organic foods and exercise; a healthy, balanced lifestyle; and the use of...

  • Osteopathic medicine emphasizes overall health and the relation among the body's nerves, muscles, bones, and organs. Osteopathic physicians (also called doctors of osteopathic medicine, or DOs) base diagnosis and treatment on the idea that the...

  • Riboflavin is vitamin B2. Vitamins are naturally occurring substances necessary for many processes in the body. Riboflavin is important in the maintenance of many tissues of the body. Riboflavin is used to treat or prevent deficiencies of riboflavin. Riboflavin may also be used for purposes not listed in this medication...

  • Psyllium is a bulk-forming fiber laxative that is used to treat occasional constipation or bowel irregularity. Psyllium may also help lower cholesterol when used together with a diet low in cholesterol and saturated fat. Psyllium may also be used for purposes not listed in this medication guide.

  • Witch hazel is a plant also known as Avellano de Bruja, Café du Diable, Hamamelis, Hamamélis, Hamamélis de Virginie, Hamamelis virginiana, Hazel, Noisetier des Sorcières, Snapping Tobacco Wood, Spotted Elder, Virginian Witch Hazel, Winter Bloom, and other names. Witch hazel is a liquid distilled from dried leaves, bark...

  • Melatonin is a manmade form of a hormone produced in the brain that helps regulate your sleep and wake cycle. Melatonin has been used in alternative medicine as a likely effective aid in treating insomnia (trouble falling asleep or staying asleep). Melatonin is also likely effective in treating sleep disorders in people...

  • Red yeast rice is a product that is made by fermenting red rice with a certain type of yeast. Red yeast rice is also known as Cholestin, Hypocol, Xuezhikang, or Zhitai. Red yeast rice supplements are not the same as red yeast rice that is sold in Chinese grocery stores. Red yeast rice has been used in alternative...

  • Riboflavin (vitamin B2) is important in the maintenance of many tissues of the body. Riboflavin ophthalmic (for the eyes) is a "photosensitive" solution used during a procedure to treat progressive keratoconus in adults and adolescents who are at least 14 years old. Keratoconus (KER-a-toe-KOE-nus) is a...

  • Capsaicin (Zostrix), available without a prescription, is a pain reliever that comes in a cream that you apply directly to your skin (topical analgesic). It has been found to relieve joint pain from osteoarthritis in some people when rubbed into the...

  • Saw palmetto is a type of palm tree that grows in the southeastern United States. The berry of the saw palmetto plant contains a compound that may reduce the symptoms of benign prostatic hyperplasia (BPH), which is a noncancerous enlargement of the...

  • Ginkgo extract, from the leaves of the Ginkgo biloba tree, has been used for thousands of years in traditional Chinese medicine. It also is the most commonly used herbal medicine in Europe. Although the benefits of ginkgo are not entirely...

  • There is no cure for multiple sclerosis (MS). So far, the only treatments proved to affect the course of the disease are disease-modifying medicines, such as interferon beta. Other types of treatment should not replace these medicines if you are a candidate for treatment with them. Some people who have MS report...

  • What is melatonin? Melatonin is a hormone made by the pineal gland, a small gland in the brain. Melatonin helps control your sleep and wake cycles. Very small amounts of it are found in foods such as meats, grains, fruits, and vegetables. You can also buy it as a supplement. What does natural melatonin do in the body...

  • A balanced, nutritious diet during pregnancy is important to maintain your health and nourish your fetus. In general, pregnant women need to increase their daily caloric intake by 340 calories in the second trimester and 450 calories in the third trimester. Most women who are pregnant need 2,200 to 2,900 calories a...

  • Briefly discusses St. John's wort, an herbal dietary supplement used to treat mild to moderate depression. Covers possible side effects and safety issues.

  • Some diuretics can cause low levels of potassium. A delicate balance of potassium is needed to properly transmit electrical impulses in the heart. A low potassium level can disrupt the normal electrical impulses in the heart and lead to irregular...

  • For years, people have used cranberry juice to prevent and help cure urinary tract infections (UTIs). There is limited proof that this is worth trying. Pure cranberry juice, cranberry extract, or cranberry supplements may help prevent repeated UTIs...

  • As part of a healthy diet, eat at least two servings of fish each week. Oily fish, which contain omega-3 fatty acids, are best. These fish include salmon, mackerel, lake trout, herring, and sardines. Fish is an important part of a heart-healthy...

  • Coenzyme Q10 (known as CoQ10) is a compound that is made in the body. The body uses it for cell growth and to protect cells from damage (see Question 1). Clinical trials have been limited to small sizes. It is not clear if the benefits reported were from the CoQ10 therapy (see Question 4). CoQ10 may not mix safely with...

  • NOTE: The information in this summary is no longer being updated and is provided for reference purposes only. The Gerson therapy is a complex regimen that has been used to treat people with cancer and other diseases (see Question 1). The key parts of the Gerson therapy are a strict diet, dietary supplements, and enemas...

  • NOTE: The information in this summary is no longer being updated and is provided for reference purposes only. The Gonzalez regimen, developed by Dr. Nicholas Gonzalez, involves taking pancreatic enzymes thought to have anticancer activity. The regimen also includes prescribed diets, nutritional supplements, and coffee...

  • Acupuncture applies needles, heat, pressure, and other treatments to one or more places on the skin known as acupuncture points (see Question 1). Clinical trials report the use of acupuncture relieves nausea and vomiting from anticancer therapies (see Question 5). Other trials have studied the use of acupuncture in...

  • Aromatherapy is the use of essential oils from plants (flowers, herbs, or trees) as therapy to improve physical, mental, and spiritual well-being (see Question 1). Aromatherapy may be used with other complementary treatments, such as massage or acupuncture, as well as with standard medical treatments to manage symptoms...

  • Milk thistle is a plant whose fruit and seeds are used for liver and bile duct disorders (see Question 1). Milk thistle is usually taken in capsules or tablets (see Question 2). Studies of milk thistle have been done in acute lymphoblastic leukemia, prostate cancer, breast cancer, and head and neck cancer (see Question...

  • Men in the United States get prostate cancer more than any other type of cancer except skin cancer. It occurs mainly in older men. In the United States, about 1 in every 9 men will be diagnosed with prostate cancer during his lifetime. Most men with prostate cancer do not die of it. Complementary and alternative...

  • There are many studies being done to look at whether certain vitamin and mineral supplements and combinations of supplements may help prevent age-related macular degeneration (AMD) or delay vision loss in people who already have it. For example, the...

  • Probiotics are bacteria that help keep the natural balance of organisms (microflora) in the intestines. The normal human digestive tract contains about 400 types of probiotic bacteria that reduce the growth of harmful bacteria and promote a healthy...

  • The tables below list the vitamins, what they do in the body (their functions), and their sources in food. Water-soluble vitamins Water-soluble vitamins travel freely through the body, and excess amounts usually are excreted by the kidneys. The body needs water-soluble vitamins in frequent, small doses. These...

  • The body needs many minerals; these are called essential minerals. Essential minerals are sometimes divided up into major minerals (macrominerals) and trace minerals (microminerals). These two groups of minerals are equally important, but trace minerals are needed in smaller amounts than major minerals. The amounts...

  • A shoulder and neck massage can help you relax, reduce muscle tension, and reduce stress. You will need a friend to exchange massages. Use these steps to give your friend a shoulder and neck massage. Have your friend sit straight but comfortably in a chair. Place your hands on your friend's shoulders...

  • Tea tree oil can kill bacteria and fungi. It comes from the evergreen leaves of the Australian Melaleuca alternifolia tree. Tea tree oil has been used as complementary therapy in surgery, burn care, and dental care. Numerous tea tree oil body care...

  • Briefly discusses kava (also known as kava kava), a dietary supplement used to relieve anxiety, restlessness, insomnia, and stress-related symptoms. Covers safety issues and side effects, including liver damage in some when used for long periods.

  • What is music therapy? Music therapy is the use of music to gain physical and emotional healing and wellness. A trained and certified music therapist can provide music therapy. Therapy sessions can involve listening to music, music-making, or both. Research is beginning to reveal how music works to heal the body and...

  • Ginger may relieve nausea and morning sickness after a few days of treatment. There are several ways you can use ginger to relieve your symptoms. Try: Ground ginger in a capsule, taken several times a day. Buy ginger capsules that are regulated by the U.S. Food and Drug Administration (FDA) and are not mixed with...

  • Studies suggest that taking vitamin B6 for morning sickness greatly improves nausea, though not vomiting, for many pregnant women. There has been no sign of harm to the fetus with vitamin B6 use. A typical dose of vitamin B6 for morning sickness is 10 mg to 25 mg, 3 times a day. Talk to your health professional...

  • Acupressure may help relieve or shorten the duration of your morning sickness symptoms. Acupressure is based on Eastern medicine practices used to open up blocked energy pathways in the body. Instead of using acupuncture needles, you or a practitioner presses on a small area of the body to treat a given ailment...

  • Soy is high in isoflavones. Isoflavones are a type of phytoestrogen. Phytoestrogens are chemicals found in plants that work like estrogens. Soy products may improve menopausal symptoms, such as hot flashes. This is based on mixed evidence. So far, studies have used many different soy sources and different...

  • Black cohosh, also known as black snakeroot or bugbane, is a medicinal root. It is used to treat women's hormone-related symptoms, including premenstrual syndrome (PMS), menstrual cramps, and menopausal symptoms. Studies on black cohosh have had mixed results. Some studies have shown that black cohosh can relieve...

  • Wild yam and progesterone creams are available without a prescription and are marketed for relieving perimenopausal symptoms. Wild yam. Although wild yam cream is marketed as a source of natural progesterone, it does not contain progesterone, and the body cannot convert it into progesterone...

  • Boric acid is a white, crystalline chemical substance that has antifungal and antiviral properties. It is used in various prescription pharmaceutical products and is also available without a prescription. Some experts now recommend vaginal boric acid capsules as a treatment option for vaginal yeast infections...

  • Hydrotherapy is the use of water to treat a disease or to maintain health. The theory behind it is that water has many properties that give it the ability to heal: Water can store and carry heat and energy. Water can dissolve other substances, such...

  • Guides you through decision to have spinal manipulation. Describes treatment and how well it works for low back pain. Lists benefits and risks of both spinal manipulation and home treatment. Includes interactive tool to help you make your decision.

  • Not all forms of cancer or cancer treatment cause pain. If pain occurs, many treatments are available to relieve it. If your doctor has given you instructions or medicines to treat pain, be sure to follow them. Home treatment may help to reduce pain and improve your physical and mental well-being. Be sure to discuss...

  • Discusses sleep problems caused by cancer or side effects of chemotherapy or radiation therapy. Offers tips like get daily exercise and use a sleep mask and earplugs to improve sleep. Warns to check with your doctor before taking sleep medicine.

  • Many medicines may impair kidney function and cause kidney damage. And if your kidneys aren't working well, medicines can build up in your body. If you have chronic kidney disease, your doctor may advise you to continue to take a medicine but may change how much you take. Or you may change to a different medicine. Don't...

  • Guides through decision to use complementary medicine. Explains what complementary medicine is. Lists reasons for and against. Also covers benefits and risks. Includes interactive tool to help you make your decision.

  • SAM-e is short for S-adenosylmethionine, a substance that occurs naturally in the cells of plants, animals, and humans. SAM-e is not an herb. Because the body produces less SAM-e with age, some people think that SAM-e may be a helpful supplement for...

  • Omega-3 fatty acids are found in marine or plant sources, such as fish oil and flaxseed oil. A few studies suggest that adding omega-3 fatty acids to medicine (such as lithium) can help reduce the depressive symptoms of bipolar disorder in some people. Omega-3 fatty acids don't seem to have an effect on the manic...

  • What is reiki? Reiki means "universal life energy" and is an ancient healing method that manipulates energy flow in the body. Reiki practitioners believe there is an energy force in and around the body. They believe that there is a flow of energy between the reiki practitioner and the receiver of the treatment. It is...

  • Discusses taking calcium and vitamin D to prevent or treat osteoporosis. Includes info on how much calcium you need based on your age or life stage. Offers list of calcium-rich foods and calcium supplements.

  • A vitamin and mineral supplement provides a variety of nutrients that are also found in food. These supplements are often called multivitamins. They come in the form of pills, chewable tablets, powders, and liquids. A standard multivitamin usually...

  • What is folic acid? Folic acid is one of the B vitamins your body needs for good health. The vitamin is also called folate. Folate is the natural form of this vitamin. It's found in leafy green vegetables, oranges, nuts, and beans. Folic acid is the man-made form. It's put into vitamin pills...

  • Milk thistle is a plant that contains silymarin, a substance that improves liver function. Originally from Europe, milk thistle now also grows in the United States. You can take milk thistle in capsules or as a tincture (combined with alcohol). It...

  • Discusses use of dietary supplement beta-sitosterol to lower cholesterol levels, reduce risk of colon cancer, and relieve symptoms of benign prostatic hyperplasia (BPH). Looks at safety of beta-sitosterol. Includes possible side effects.

  • Herbal supplements that may be used to relieve symptoms of benign prostatic hyperplasia (BPH) include beta-sitosterol, cernilton , Pygeum africanum, and saw palmetto. In general, the trials using these substances have been short, and self-reported improvement scores can be biased. Different preparations are available...

  • What is rye grass pollen extract? Rye grass pollen extract comes from the pollen of rye grass ( Secale cereale). Rye grass pollen extract may affect the male hormone testosterone, relax the muscles of the tube through which urine flows ( urethra), and improve how well the bladder can force urine out. All of these may...

  • Discusses Coenzyme Q10 (CoQ10), also known as Q10, vitamin Q10, or ubiquinone. Looks at use to treat heart failure, cancer, muscular dystrophy, and periodontal disease. Covers safety and side effects of dietary supplements.

  • Looks at chamomile, an herb used as an alternative medicine treatment for upset stomach, sleep problems, or skin problems. Covers German (Matricaria retutica) and Roman (or English) chamomile. Looks at safety and side effects.

  • Manual therapy includes: Massage, which applies pressure to the soft tissues of the body, such as the muscles. Mobilization, which uses slow, measured movements to twist, pull, or push bones and joints. Manipulation, which uses pressure on a joint. It can be done with the hands or a special device. The careful...

  • Valerian is an herb that people have used for centuries for anxiety and as a sleep aid. It is also used to ease menstrual and stomach cramps. It comes from the root of the valerian plant, found in areas of North America, Europe, and Asia. Of the...

  • Discusses mineral our bodies use for normal body functions like digesting food. Looks at how chromium helps move blood sugar and is used to treat problems like diabetes. Covers safe levels of chromium and possible side effects of dietary supplements.

  • Covers capsaicin found in some hot peppers. Looks at its use as dietary supplement to improve digestion and fight infection, topical skin products to relieve headaches and joint pain, and skin patch for postherpetic neuralgia. Covers safety, side effects.

  • People often use the terms complementary medicine and alternative medicine in place of each other. But there is a difference. Understanding the difference will help you to become more informed about this type of medicine. Complementary medicine is a nonstandard treatment or medicine that is used together...

  • Why is it important to get enough calcium and vitamin D? Your body needs vitamin D to absorb calcium. Calcium keeps your bones and muscles—including your heart—healthy and strong. People who do not get enough calcium and vitamin D throughout life have an increased chance of having thin and brittle bones (...

  • Having bradycardia (say "bray-dee-KAR-dee-uh") means that your heart beats very slowly. For most people, a heart rate of 60 to 100 beats a minute while at rest is considered normal. If your heart beats less than 60 times a minute, it is slower than...

  • Guides you through decision to have cardioversion for atrial fibrillation. Discusses electrical cardioversion and rate control drugs. Lists benefits and risks. Includes interactive tool to help you make your decision.

  • Topic guides reader through decision to get an ICD for heart rhythm problems. Provides general overview of what ICDs are and what heart rhythm problems can be helped with ICDs. Lists benefits and possible complications of getting an ICD.

  • Learn why taking a statin pill is such an important part of your treatment.

  • Learn how to have a healthy, active lifestyle with atrial fibrillation.

  • Learn how to care for a central or PICC IV line at home.

  • It can be hard to know which treatments you may or may not want near the end of life. Learning more can help.

  • This article helps readers understand when a home pulse oximeter is helpful for people who have COVID-19 and how to use it.

  • Discusses nonsurgical procedure, called catheter ablation, for atrial fibrillation if medicine is not effective or not tolerated. Also discusses implanting a pacemaker. Looks at why procedure is done, how well it works, and possible risks.

  • Discusses procedure that uses electric current to reset heart's rhythm to its regular pattern. Covers its use to stop atrial fibrillation. Discusses what to expect after treatment, how well it works, and risks.

  • Discusses atrial fibrillation, an irregular heartbeat (arrhythmia). Covers causes, including high blood pressure and CAD. Discusses what increases your risk. Covers treatment with medicines, cardioversion, and catheter ablation.

  • You're probably spending a lot of time in your home these days. And that's one place where you have some control. Here are some tips that can help keep you and your home safe from COVID-19. Practice prevention. Wash your hands well and often. Scrub with soap and water for 20 seconds. If you go out...

  • It's normal to feel worried during times of stress. Many people struggle with anxiety in the best of times. Here are some steps you can take to manage anxiety and lower your stress. Get the facts. Go to trusted sources. Check the Centers for Disease Control and Prevention (CDC) website at cdc.gov...

  • Learn about ways to show care and compassion to yourself.

  • Learn ways to exercise at home during the pandemic.

  • This article helps you learn how to handle stress in your relationship.

  • Learn some ways to manage family stress.

  • This article helps parents learn how to lower stress during the pandemic.

  • Learn how to overcome barriers to wearing a mask.

  • Learn some tips for helping to manage money problems.

  • Learn some new tips for having date night at home during the pandemic.

  • Learn about the vaccine for COVID-19.

  • Learn what effects COVID-19 may have on the body long after recovery.

  • Alan is something of a miracle man. At the age of 32, he had a massive heart attack. But more than 40 years, 4 bypass surgeries, 30 angioplasties, and a combined pacemaker/defibrillator later, he's still thriving. He learned how to cope with heart disease the hard way. Alan had always been healthy and athletic. Except...

  • Learn what an EP study and ablation are and how to prepare your child for each one.

  • Learn what you can do at home to care for your child after an EP study and ablation.

  • This article covers the basics of COVID-19, including common symptoms, treatment, the course of the disease, and how to care for yourself.

  • Find out how you'll feel after a catheter ablation and how to take care of yourself at home.

  • Find out what COVID-19 is, how it's spread, its symptoms, and how to protect yourself and others.

  • Learn how to take care of yourself if you have COVID-19 and find out ways to prevent spreading it to others.

  • Learn how to take care of yourself if you have been exposed to COVID-19 and find out ways to prevent spreading it to others.

  • Learn what social distancing means and why it's important to keep your distance.

  • Discover things you can do to while keeping a social distance.

  • Learn the 5 steps to hand-washing.

  • The coronavirus disease (COVID-19) is caused by a virus. It is an illness that was first found in Wuhan, China, in December 2019. It has since spread worldwide. The virus can cause fever, cough, and trouble breathing. In severe cases, it can cause pneumonia and make it hard to breathe without help. It can cause...

  • During the coronavirus outbreak, learn what to do if you do if you feel sick.

  • Stigma is a negative feeling based on a belief about a group of people. Stigma often occurs when there's a disease outbreak. It's a common human reaction to look for someone to blame when we feel afraid. In the case of COVID-19, some people have blamed it on people of Asian descent or people who have traveled. Some...

  • When experts make a graph of the first wave of COVID-19 infections, it shows a flat line that curves sharply upward, like a ramp at a skateboard park. A steep curve means the virus is spreading fast. That's because each infected person spreads the disease to more than just one other person. Then each of those people...

  • Social distancing means putting space between yourself and other people. The recommended distance is 6 feet, or about 2 meters. This also means staying away from any place where people may gather, such as parks or other public gathering places. Social distancing is the best way to reduce the spread of COVID-19...

  • Many parents are asking, "What are the best ways to protect my child from the virus?" Here are the most powerful steps you can take to protect yourself and your family. Wash hands well and often. Everyone in your household needs to do this. Wash your hands well with soap and water for at least 20...

  • Social distancing is the best way to help keep COVID-19 from spreading. Here are some things you can do while you're putting space between yourself and other people. Be active outside. Fresh air and exercise are good for you. But stay informed about what's best for your community. Keep a 6-foot (or...

  • Find out if you could be at higher risk for COVID-19 and learn how to stay safe.

  • The need to stay at home and limit contact with others is important right now, but it can be lonely and isolating. Loneliness can take a toll on both our mental and physical health. Try these tips to stay connected and positive.

  • There are things you can do to protect your health and the health of your baby. If you're pregnant Pregnancy causes changes in the body that may raise the risk for some infections. Pregnant women are more likely to get seriously ill from respiratory infections, like the flu. So it's important to try to avoid...

  • COVID-19 causes a mild illness in many people who have it. But certain things may increase your risk for more serious illness. These include: Age. The risk increases with age. Older adults are at highest risk. Smoking. Obesity. Living in a long-term care facility. Having ongoing serious...

  • Most people who get COVID-19 will recover with time and home care. Here are some things to know if you're caring for someone who's sick. Treat the symptoms. Common symptoms include a fever, coughing, and feeling short of breath. Urge the person to get extra rest and drink plenty of fluids to replace...

  • Stay home. If you've been exposed, you should stay in quarantine for at least 14 days. Ask your doctor when it's safe to end your quarantine. Don't go to school, work, or public areas. And don't use public transportation, ride-shares, or taxis unless you have no choice. Leave your home only if you need to get...

  • Stay home. Don't go to school, work, or public areas. And don't use public transportation, ride-shares, or taxis unless you have no choice. Leave your home only if you need to get medical care. But call the doctor's office first so they know you're coming. And wear a cloth face cover. Ask before leaving...

  • This is a very stressful time. You may be worried about getting COVID-19 or afraid that someone you care about will get it. If you've lost your job, you may be anxious about your finances. On top of that, you're probably stuck at home. Cabin fever can set in. You may feel trapped, bored, and irritable. Cabin fever...

  • A COVID-19 viral test is a way to find out if you have COVID-19. The test looks for the virus in your breathing passages. There are different types of viral tests. One type looks for genetic material from the virus. This is usually called polymerase chain reaction (PCR). Another type looks for proteins on the...

  • An antibody test looks for antibodies in the blood. These are proteins that your immune system makes, usually after you're exposed to germs like viruses or bacteria or after you get a vaccine. Antibodies work to fight illness. A COVID-19 antibody test looks for antibodies to SARS-CoV-2, the virus that causes...

  • Multisystem Inflammatory Syndrome in Children (MIS-C) Multisystem inflammatory syndrome in children (MIS-C) is a rare but serious condition. It causes inflammation, which can affect the heart, lungs, brain, and other organs. A child usually has a fever for 24 hours or longer, plus other symptoms. These can vary, but...

  • This article describes the measures that health care providers take to help ensure your safety as well as steps you can take to reduce your risk of infection in the hospital or clinic.

  • Learn how to wear a cloth face cover or a mask to help stop the spread of COVID-19.

  • Learn three reasons why you shouldn't try to get infected with COVID-19 on purpose.

  • Learn about the risk levels for getting infected or infecting others with COVID-19 during different activities.

  • Learn the difference between symptoms of the flu and COVID-19.

  • Find out what sepsis is, how it happens, and how it's treated at the hospital.

  • After a hospital stay, it's important to prevent sepsis and watch for signs of it. Learn how.

  • This topic helps readers assess whether they may have a drinking problem.

  • Hear how atrial fibrillation affected three people's lives and how each one found a way to manage it.

  • POTS is a fast heart rate (tachycardia) that starts after you stand up. This can suddenly happen as long as 10 minutes after you stand. With POTS, the body does not control blood pressure or heart rate as it should after you stand up. So for a brief...

  • Hear how cardiac rehab helped others have less fear and be more sure about how to live with a heart problem.

  • Learn what raises your risk for having a heart attack or stroke and how you can lower your risk.

  • Learn how cardiac rehab works and how it can help you get stronger and feel better.

  • Learn how to manage your symptoms and live better with a-fib.

  • Learn how an ICD works and how it can help your heart.

  • See what you can expect and how to prepare for getting a pacemaker.

  • Learn how to adjust to life with a pacemaker and have an active, healthy life.

  • Learn how heart disease affects you and how to help prevent a heart attack.

  • See why your doctor prescribed low-dose aspirin for your heart.

  • Learn how clot-busting medicines are used for emergencies like stroke and heart attack.

  • Learn why it's important to take blood-thinning medicine after your stroke.

  • Learn about catheter ablation for supraventricular tachycardia and how this procedure is done.

  • See how beta-blocker medicines work in your body and can help prevent another heart attack.

  • Learn how high cholesterol raises your risk for heart attack and stroke.

  • After you've had a heart attack, you may be worried that you could have another one. That's easy to understand. But the good news is that there are things you can do to reduce your risk of having another heart attack. Taking medicine, doing cardiac rehabilitation, and making healthy lifestyle changes can help...

  • Guides you through the decision to have catheter ablation for the heart rhythm problem supraventricular tachycardia. Lists benefits and risks of catheter ablation and medical therapy. Includes interactive tool to help you make your decision.

  • Learn how medicines and a healthy lifestyle help protect you from another heart attack.

  • Hear a story about how heart attacks may feel different than you expect.

  • Learn what catheter ablation is and how it is done to treat atrial fibrillation.

  • Find out what atrial fibrillation is and how it's treated.

  • Learn how plaque in blood vessels can become a problem and cause a heart attack.

  • Learn how beta-blocker medicine helps your heart heal after a heart attack.

  • Get a clear, simple explanation of what happens during a heart attack.

  • Learn seven ways that can help you lower your risk for a heart attack.

  • Blood thinners are medicines that help prevent blood clots. Although they are called blood thinners, they don't really thin the blood. They slow down the time it takes for a blood clot to form. You have to be careful when you take blood thinner medicines. They can raise the risk of serious bleeding. But you can do...

  • What is acute respiratory distress syndrome (ARDS)? Acute respiratory distress syndrome (ARDS) is a lung problem. It happens when fluid builds up in the lungs, causing breathing failure and low oxygen levels in the blood. ARDS is life-threatening, because it keeps organs like the brain and kidneys from getting the...

  • Discusses how to live with an implantable cardioverter-defibrillator (ICD), a device that helps control heart rhythm. Gives safety guidelines and tips for travel, exercise, and managing anxiety.

  • It's true—diabetes raises your risk of heart disease. That means your risks of heart attack and stroke are higher when you have diabetes. Diabetes is plenty to keep up with as it is. That explains why dealing with both heart risk and diabetes can seem like too much all at once. But it's also true that good...

  • Guides you through the decision to take warfarin or a different anticoagulant (apixaban, dabigatran, edoxaban, or rivaroxaban) to prevent stroke. Explains atrial fibrillation and risk of stroke. Lists benefits and risks of anticoagulants.

  • Topic guides reader through decision to get a pacemaker for heart rate problems. Provides general overview of what pacemakers are and what heart problems can be helped with pacemakers. Lists benefits and possible complications of getting a pacemaker.

  • A normal heart rate for a healthy adult is between 60 and 100 beats per minute. Heart rates of more than 100 beats per minute (tachycardia) can be caused by: Exercise or stress. This fast heart rate usually returns to normal range (60 to 100 beats...

  • Many medicines and drugs can affect the rate and rhythm of the heart. A few examples are: Asthma medicines. Decongestants and cold medicines. Illegal drugs such as cocaine or amphetamines. Some heart and blood pressure medicines. Some medicines for depression and anxiety. Thyroid medicine. Illegal drugs, such as...

  • In cardiac arrest, the heart suddenly stops beating. This causes blood to stop pumping to the body. If the heartbeat is not restarted within minutes, the person will die. This problem is also called sudden cardiac arrest. Cardiac arrest is different...

  • Thrombolytics are medicines that rapidly dissolve a blood clot. They are used when a blood clot causes an emergency, such as a heart attack or stroke. These clot-busting medicines help blood to flow normally again. Thrombolytics are used as soon as...

  • Guides people not already diagnosed with coronary artery disease through decision to take statin medicine to lower risk of heart attack or stroke. Covers cholesterol and other risk factors. Includes interactive tool to help you make your decision.

  • Your heart normally beats in a regular rhythm and rate that is just right for the work your body is doing at any moment. The usual resting heart rate for adults is between 50 to 100 beats per minute. Children have naturally higher normal heart rates...

  • Discusses preventing high blood sugar (hyperglycemia) problems in a person with diabetes. Explains emergencies in type 1 and type 2 diabetes. Discusses treating infections early, being prepared, and drinking plenty of liquids.

  • Diabetic ketoacidosis (DKA) is a life-threatening condition that develops when cells in the body are unable to get the sugar (glucose) they need for energy because there is not enough insulin. When the sugar cannot get into the cells, it stays in...

  • If you smoke, your chance of dying from a heart attack is 2 to 3 times greater than that of a person who does not smoke. About 1 out of 4 heart attacks is believed to be directly related to smoking. Smoking is a much more important risk factor for a...

  • There are several types of slow heart rates ( bradycardias or bradyarrhythmias). Each type carries a specific risk of complications and treatment options. Some of the types are described here. Sinus bradycardia When a person has sinus bradycardia, the heart rate is less than 60 beats per minute. This slow...

  • Physical activity is one of the best things you can do to help prevent a heart attack and stroke. Being active is one part of a heart-healthy lifestyle. Eating healthy foods, not smoking, and staying at a healthy weight are other ways you can be...

  • Sepsis is a life-threatening reaction to an infection. It causes inflammation across large areas of the body and can damage tissue and organs. Sepsis requires immediate care in a hospital. Septic shock is sepsis that causes extremely low blood...

  • Discusses cardiac rehabilitation (rehab), which helps you feel better and reduce risk of future heart problems with exercise and lifestyle changes. Looks at rehab for people who have heart conditions such as heart attack, heart surgery, or heart failure.

  • A cardiac rehabilitation (rehab) program can help you make lifestyle changes. In cardiac rehabilitation (rehab), a team of health professionals provides education and support to help you make new, healthy habits. Quitting smoking is the best thing...

  • Exercise is an important part of a cardiac rehabilitation program. Combining exercise with other lifestyle changes, such as eating a balanced diet and stopping smoking, reduces the risk of future heart problems. Riding a stationary bike, walking on...

  • Cardiac rehabilitation (rehab) may start while you are in the hospital. The hospital program is one part, or phase, of your cardiac rehab. This phase emphasizes exercise and education. The parts of a hospital program include: A customized exercise program, based on your medical history, clinical condition, and...

  • Your cardiac rehabilitation (rehab) might include an exercise program that you do at home. You might start this program after you go home from the hospital. The home program is one part, or phase, of your cardiac rehab. The goals of a home program are to: Make a smooth transition from hospital to home. Take care of...

  • Cardiac rehabilitation (rehab) typically includes an outpatient program. This program is one part, or phase, of your cardiac rehab. The goal is to lower your risk of future heart problems. You will take part in a supervised exercise program. You will receive information and tools to make lifestyle changes, such as...

  • Cardiac rehabilitation (rehab) includes a phase that helps you keep the healthy behaviors and habits that you learned in rehab. This phase, or program, is often referred to as the maintenance part of rehab, because it can help you maintain healthy lifestyle changes. Your goals are to: Learn lifestyle changes to lower...

  • Quitting smoking is probably the most important step you can take to decrease your chance of coronary artery disease (CAD) and a heart attack. Smoking raises your risk of getting CAD and dying early from CAD. Carbon monoxide, nicotine, and other...

  • If your doctor thinks you might have a heart rhythm problem, he or she may ask you to keep a diary of symptoms. This information can help your doctor find out what type of rhythm problem you have. And if you have a rhythm problem, a symptom diary...

  • Vagal maneuvers are used to try to slow an episode of supraventricular tachycardia (SVT). These simple maneuvers stimulate the vagus nerve, sometimes resulting in slowed conduction of electrical impulses through the atrioventricular (AV) node of the...

  • Electrical cardioversion is a procedure in which a brief electric shock is given to the heart to reset the heart rhythm back to its normal, regular pattern ( normal sinus rhythm). The shock is given through patches applied to the outside of the chest wall. In some situations an external defibrillator, which has paddles...

  • Covers procedure to destroy (ablate) tiny areas of heart muscle causing fast heart rate. Includes radiofrequency ablation and cryoablation. Covers use for supraventricular tachycardia (SVT), atrioventricular reciprocating tachycardia (AVRT), Wolff-Parkinson-White (WPW) syndrome, and ventricular tachycardia.

  • What is supraventricular tachycardia? Supraventricular tachycardia (SVT) means that from time to time your heart beats very fast for a reason other than exercise, high fever, or stress. For most people who have SVT, the heart still works normally to pump blood through the body. Types of SVT include: Atrioventricular...

  • Shock means that your body and its functions are shutting down. The body goes into shock when it can't get enough blood to the vital organs like your heart or brain. This may be caused by a sudden illness, an injury, or bleeding. Sometimes even a mild injury will lead to shock. Shock is a life-threatening...

  • Discusses pacemakers to control heart rhythm. Gives information on safety guidelines and tips for exercise and travel.

  • Heart block refers to an abnormality in the way electricity passes through the normal electrical pathways of the heart. The abnormality "blocks" the electrical impulse from continuing through the normal pathways and usually results in a slower heart rate. What causes heart block? Heart block can be caused...

  • Is it safe for you to have sex? If you have an arrhythmia and your doctor says that it's okay for you to do moderate activity, like brisk walking, then it's probably safe for you to have sex. If you have any concerns, ask your doctor. Your doctor can check the health of your heart and help you know if it's safe...

  • Are there driving restrictions for people with heart rhythm problems? If you have an arrhythmia or an ICD that makes it dangerous for you to drive, your doctor might suggest that you stop driving, at least for a short time. If you have an arrhythmia that doesn't cause significant symptoms, you don't have to stop or...

  • Sick sinus syndrome is the name given to a group of arrhythmias that occur because the normal pacemaker of the heart (the sinus node) does not work properly. Sick sinus syndrome is also called sinus node dysfunction. For more information on other types of sinus node problems, see Types of Bradycardia. What...

  • Wolff-Parkinson-White (WPW) syndrome is a heart rhythm problem that causes a very fast heart rate. WPW is one type of supraventricular tachycardia called atrioventricular reciprocating tachycardia (AVRT). With WPW, an extra electrical pathway links the upper chambers (atria) and lower chambers (ventricles) of the...

  • Heart rhythm problems, called arrhythmias, can cause a few types of symptoms. These symptoms happen because the heart isn't beating regularly or may not be pumping blood as well as normal. Some of these symptoms include palpitations, lightheadedness, fainting, and shortness of breath. Palpitations Having palpitations...

  • When can I have sex again? Sex is part of a healthy life and part of your quality of life. It is safe for most people after they have had a heart attack. After a heart attack, you can resume sexual activity when you are healthy and feel ready for it. You could be ready if you can do mild or moderate activity...

  • If you have an irregular heartbeat ( arrhythmia), ask your doctor what type and level of exercise is safe for you. Regular activity can help keep your heart and body healthy. The type and amount of exercise that is allowable will vary depending on the cause of your abnormal heart rhythm and whether you have other...

  • Discusses pacemakers used to treat bradycardia. Discusses various types of pacemakers. Covers how they work and how well they work, risks, and possible side effects.

  • Covers risk of heart disease and stroke in women. Lists things that increase risk. Lists prevention steps, such as diet, exercise, not smoking, managing cholesterol and blood pressure, and making decisions on birth control and hormone therapy.

  • If you want to learn about supraventricular tachycardia (SVT), go to the topic Supraventricular Tachycardia. What is ventricular tachycardia? Ventricular tachycardia is a type of fast heart rhythm that starts in the lower part of the heart (ventricles). The heart might beat more than 100 beats per minute...

  • Discusses taking aspirin to prevent a first and second heart attack for people who have coronary artery disease. Covers aspirin therapy to help lower risk of a stroke. Discusses if aspirin therapy is for you. Looks at things to avoid while taking aspirin.

  • Discusses high and low blood sugar levels caused by diabetes. Suggests when to check blood sugar levels. Covers symptoms. Offers home treatment and prevention tips. Includes info on diabetes emergencies.

  • Guides through decision to receive CPR (cardiopulmonary resuscitation) and mechanical ventilation. Describes the procedures and discusses risks and benefits of each. Includes interactive tool to help you make your decision.

  • Discusses surgical treatment to control irregular heartbeat and restore normal rhythm of heart. Looks at what to expect after surgery such as taking medicine such as Coumadin. Covers risks.

  • Most people with atrial fibrillation don't have to change their daily activities. You can live well and safely with atrial fibrillation. There are some precautions you can take to prevent problems from atrial fibrillation. For example, tell your doctor about any activities that trigger an episode of atrial...

  • Guides you through the decision to take an anticoagulant to prevent stroke. Explains atrial fibrillation and risk of stroke. Lists benefits and risks of anticoagulants. Includes interactive tool to help you decide.

  • Covers causes of heart attack (myocardial infarction) and unstable angina. Discusses symptoms like chest pain or pressure. Explains MI and angina differences. Offers prevention tips. Covers diagnostic tests and treatment with medicines and surgery.

  • Right-sided heart failure means that the right side of the heart is not pumping blood to the lungs as well as normal. It is also called cor pulmonale or pulmonary heart disease. What happens to the heart? Most people develop heart failure because of a problem with the left ventricle. But reduced function of the right...

  • One of the most frightening aspects about having heart failure is that it can lead to premature death. The increased death rate among people with heart failure is in part caused by the tendency of those with heart failure to develop abnormal heart rhythms. Some people with heart failure die suddenly from abnormal rapid...

  • After you start a cardiac rehabilitation (rehab) program, you will work with many health professionals. Each will have a specific role in your rehab. While you are in rehab, make sure to stay in touch with your doctor or other health professionals who can keep track of your progress and health. You will probably keep...

  • If you are in a cardiac rehab program, you are probably taking medicines for your heart and for other health reasons. Some prescribed medicines can change your heart rate, blood pressure, and overall ability to exercise. It's important for your rehab team to know what medicines you take. Give your rehab team a list of...

  • There are several ways to measure your body's responses to exercise and other lifestyle changes. You may want to keep track of the following measurements during your exercise sessions at cardiac rehab and at home. Target heart rate Your target heart rate can guide you to how hard you need to exercise so you can get...

  • Covers angina and symptoms that happen when the heart does not get enough blood. Covers unstable angina and heart attack. Discusses treatment with medicines, angioplasty, or bypass surgery. Offers prevention tips.

  • Guides people who have not had a heart attack or a stroke through decision to take daily aspirin. Discusses benefits and risks. Looks at who can take daily aspirin. Includes interactive tool to help you decide.

  • Your doctor may talk with you about your risk for heart and blood flow problems, including heart attack and stroke. You and your doctor can use your risk to decide whether you need to lower it and what treatment is best for you. What might you be at risk for? Your doctor is checking your risk of having a...

  • Discusses high blood sugar (also called hyperglycemia) in children with diabetes. Covers symptoms. Offers tips on preventing high blood sugar emergencies. Covers when to seek emergency care.

  • Resistance training with weights, elastic bands, or your own body weight may help you regain the physical strength and confidence to do the daily tasks you performed before your heart problem or surgery. Resistance training can help you get the most benefit from your cardiac rehabilitation (rehab) program. Do...

  • Guides you through the decision to have catheter ablation for the heart rhythm problem atrial fibrillation. Lists benefits and risks of catheter ablation and medical therapy. Includes interactive tool to help you make your decision.

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