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Kinesiology 260 > Cardiac Cycle > Flashcards

Cardiac Cycle Flashcards

1
Q

4 phases of cardiac cycle?

A
  1. DIASTOLIC FILLING
  2. ISOVOLUMIC CONTRACTION
  3. EJECTION
  4. ISOVOLUMIC RELAXATION
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2
Q

Diastolic filling

A

LAP > LVP
Bicuspid (mitral) open
aortic valve closed
LVP

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3
Q

Isovolumic contraction

A
  • LV contracts
  • LVP increases
  • LVP > LAP
  • both valves closed
  • pressure increasing
  • no change in volume
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4
Q

Ejection

A
  • LVP > AP
  • aortic valve opens
  • blood ejected into aorta
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5
Q

Isovolumic relaxation

A
  • T-wave

- LVP

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Kinesiology 260 (23 decks)

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