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.
Heart
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What controls the timing of your heartbeat? Your heart's electrical system controls the timing of your heartbeat by regulating your: Heart rate, which is the number of times your heart beats per minute. Heart rhythm, which is the synchronized pumping action of your four heart chambers. Your heart's electrical...