Careiac Cycle Flashcards

0
Q

Systole

A

Ventricular contraction. Starts with closure of AV valves isovolumetric contraction. Ends with closure of semilunar valves. Isovolumetric relaxation. 40 percent of cardiac cycle

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1
Q

Calculate length of cardiac cycle in milliseconds for 72 bpm

A

1/72=.014 min/beat x60sec/min=.833sec=833 msec

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2
Q

Atrial contraction occurs in

A

Diastole

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