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A&P 11 Unit 18 lab
lab cards Cardiovascular physiology
5
Anatomy
Undergraduate 1
02/15/2011

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Cards

Term
Ausculation
Definition
Process of listening to heart sounds.
Term
S1
Definition
First heart sound. Caused by closure of the mitral and tricuspid valves at the beginning of the ventricular systole and isometric contraction
Term
S2
Definition
The second heart sound. Made by the closure of the aortic and pulmonary valves at the beginning of ventricular distole and isometric relaxation.
Term
Murmur
Definition
Clicking or swooshing noise heard between heart sounds. Caused by a valve leaking (regurgitation) or a valve that has lost its pliability ( stenosis)
Term
Tachycardia
Definition
If a heart rate is over 100 beats per minute.
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