Angina: Angina is the pain produced by not enough blood flow to the heart muscle. Both exercise and stress increase the heart need for blood flow to the muscle. When the demand rises and the narrowed arteries don;t allow the supply to increase, angina results.
Answered 7/4/2015
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Narrowed arteries: If you have angina, one or more of your heart (coronary) arteries is narrowed. This causes a reduced blood supply to your heart muscle. When your heart works harder (when you walk fast or climb stairs and your heart rate increases) your heart muscle needs more blood and oxygen. If the extra blood that your heart needs cannot get past the narrowed coronary arteries, the heart responds with pain
Answered 10/23/2016
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