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.
Allen Test
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The blood supply to your hand normally comes from two arteries: the radial artery and the ulnar artery. Before drawing blood for an arterial blood gas test, your health professional will make sure that both arteries are open and working correctly. A procedure called the Allen test may be used to find out if the blood...