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Cardiology > Cardiac Cycle > Flashcards

Cardiac Cycle Flashcards

1
Q

Atrial Systole

Valves

A

At the end Mitral valve closes

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2
Q

Atrial Systole

Pressures

A
  • High atrial pressure
  • Low left ventricular pressure (equal to left atrial)
  • Decreasing aortic pressure
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3
Q

Atrial Systole

Volume

A

Highest ventricular volume

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4
Q

Atrial Systole

Heart sound

A

S4

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5
Q

Atrial Systole

JVP Wave

A

a wave (represents atrial contraction)

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6
Q

Atrial Systole

ECG Wave

A

At the start p wave

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7
Q

Ventricular Systole Isovolumetric Contraction

Valves

A

At the start Mitral valve closes and at the end Aortic valve opens

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8
Q

Ventricular Systole Isovolumetric Contraction

Pressures

A
  • Left atrial pressure decreases
  • Rapid increase in left ventricular pressure
  • Decreasing aortic pressure
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9
Q

Ventricular Systole Isovolumetric Contraction

Volume

A

Ventricular volume plateaus

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10
Q

Ventricular Systole Isovolumetric Contraction

Heart sound

A

S1

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11
Q

Ventricular Systole Isovolumetric Contraction

JVP Wave

A

No JVP wave

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12
Q

Ventricular Systole Isovolumetric Contraction

ECG Wave

A

At the start QRS complex

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13
Q

Ventricular Systole Rapid Ejection

Valves

A

At the start Aortic valve opens

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14
Q

Ventricular Systole Rapid Ejection

Pressures

A
  • Low left atrial pressure
  • Increasing left ventricular pressure
  • Rapid increase in aortic pressure
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15
Q

Ventricular Systole Rapid Ejection

Volume

A

Rapid decrease in ventricular volume

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16
Q

Ventricular Systole Rapid Ejection

Heart sound

A

No heart sound

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17
Q

Ventricular Systole Rapid Ejection

JVP Wave

A

c wave (Right ventricular contraction) and x descent (atrial relaxation and downward displacement of closed tricuspid valve during ventricular contraction)

18
Q

Ventricular Systole Rapid Ejection

ECG Wave

A

ST segment

19
Q

Ventricular Systole Reduced Ejection

Valves

A

At the end Aortic valve closes

20
Q

Ventricular Systole Reduced Ejection

Pressures

A
  • Low left atrial pressure

- Both left ventricular and aortic pressures plateau making the Dicrotic notch at its end

21
Q

Ventricular Systole Reduced Ejection

Volume

A

Decreasing ventricular volume

22
Q

Ventricular Systole Reduced Ejection

Heart sound

A

No heart sound

23
Q

Ventricular Systole Reduced Ejection

JVP Wave

A

No JVP wave

24
Q

Ventricular Systole Reduced Ejection

ECG Wave

25
Q

Ventricular Diastole Isovolumetric Relaxation

Valves

A

At the start Aortic valve closes and at the end Mitral valve opens

26
Q

Ventricular Diastole Isovolumetric Relaxation

Pressures

A
  • Low left atrial pressure
  • Rapid decrease in left ventricular pressure
  • Second peak of aortic pressure
27
Q

Ventricular Diastole Isovolumetric Relaxation

Volume

A

Ventricular volume plateaus

28
Q

Ventricular Diastole Isovolumetric Relaxation

Heart sound

29
Q

Ventricular Diastole Isovolumetric Relaxation

JVP Wave

A

v wave (increased right atrial pressure due to filling against closed tricuspid valve)

30
Q

Ventricular Diastole Isovolumetric Relaxation

ECG Wave

A

No ECG wave

31
Q

Ventricular Diastole Rapid Ventricular Filling

Valves

A

At the start Mitral valve opens

32
Q

Ventricular Diastole Rapid Ventricular Filling

Pressures

A

Decreasing left atrial, left ventricular and aortic pressures

33
Q

Ventricular Diastole Rapid Ventricular Filling

Volume

A

Rapid increase in ventricular volume

34
Q

Ventricular Diastole Rapid Ventricular Filling

Heart sound

35
Q

Ventricular Diastole Rapid Ventricular Filling

JVP Wave

A

y wave (right atrium emptying into right ventricle)

36
Q

Ventricular Diastole Rapid Ventricular Filling

ECG Wave

A

No ECG wave

37
Q

Ventricular Diastole Reduced Ventricular Filling

Valves

38
Q

Ventricular Diastole Reduced Ventricular Filling

Pressures

A
  • Left atrial and left ventricular pressures plateau

- Decreasing aortic pressure

39
Q

Ventricular Diastole Reduced Ventricular Filling

Volume

A

Ventricular volume plateaus

40
Q

Ventricular Diastole Reduced Ventricular Filling

Heart sounds

A

No heart sounds

41
Q

Ventricular Diastole Reduced Ventricular Filling

JVP Wave

A

No JVP wave

42
Q

Ventricular Diastole Reduced Ventricular Filling

ECG Wave

A

At the end p wave

Cardiology (8 decks)

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