8: Events of cardiac cycle Flashcards

1
Q

S1

A

Turbulence caused by closure of AV valves

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2
Q

S2

A

Turbulence caused by closure of Semilunar valves

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3
Q

S3

A

Deceleration of blood into ventricles

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4
Q

S4

A

Atrial contraction

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5
Q

What can cause an early heart sound

A

Ventricular premature contractions

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6
Q

What happens when AV node is blocked

A

skipped beat

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7
Q

Diastolic murmurs

A

AV valve stenosis

Aortic valve insufficiency

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8
Q

Systolic murmurs

A

AV valve insufficiency
Aortic valve stenosis
Vetricular-septal defect

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9
Q

Stenosis

A

Valve won’t open all the way when blood goes past it

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10
Q

Insufficiency

A

Valve wont close all the way

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