Heart Sounds Flashcards by Margaret Grant | Brainscape

Q

Causes of Loud S1 heart sound? (2)

A

Mitral Stenosis
Left to Right Shunt

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Q

Causes of Quiet S1

A

Mitral Regurgitation

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Q

Causes of Soft S2

A

Aortic Stenosis

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Q

Causes of Fixed Split S2

A

Atrial Septal Defect

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Q

Causes of Widely Split S2 (2)

A

Pulmonary Stenosis
Severe Mitral Regurgitation

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Q

S1 corresponds to

A

Closure of mitral and tricuspid valves (systole)

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Q

S2 correpsonds to

A

Closure of aortic and pulmonary valves (diastol)

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