III - Cardiac Cycle Flashcards by Grazielle Verzosa | Brainscape

Q

AV valves close

S1

A

Isovolumic contraction

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Q

Increase in ventricular pressure, same ventricular volume

A

Isovolumic contraction

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Q

Ventricular pressure > aortic pressure

Blood from ventricle to aorta

A

Rapid ventricular ejection

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Q

T wave

A

Reduced ventricular ejection

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Q

Aortic pressure>ventricular pressure

NO BLOOD FLOW yet

A

Isovolumic contraction

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Q

Incisure/ aortic notch

A

Isovolumic relaxation

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Q

Preceeded by T wave

A

Isovolumic relaxation

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Q

Ventricular pressure > atrial pressure

A

Isovolumic relaxation

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Q

Semilunar valves close

S2

A

Isovolumic relaxation

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Q

Diastasis

A

Reduced ventricular filling

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Q

Decrease in ventricular pressure but same volume

A

Isovolumic relaxation

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Q

Atrial pressure > ventricular pressure

A

Rapid ventricular filling

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Q

P wave

A

Atrial contraction

Distal 3rd of diastole

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Q

Rapid decrease in ventricular volume

A

Rapid ventricular ejection

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Q

QRS complex

A

Isovolumic contraction

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Q

A wave

A

Atrial contraction

Distal 3rd of diastole