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Medicine

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Cardiology

Question
13 out of 19
 

True about third heart sound are all except – (PGI May 2010)



A Absent in Chr. Constrictive pericarditis

B Absent in aortic aneurysm

C Absent in MS

D Normal physiologically in Athletes

Ans. A

Absent in Chr. Constrictive pericarditis

S3 – Produced by initial rapid filling phase of the ventricles in diastole.

(Ventricular gallop) – Low pitch sound.

Causes–

1. Physiological: Children, Athlete, Pregnancy

2. Pathological: High output states, MR,AR,TR, CAD, CHF, Thyrotoxicosis, fever.

3. S3 which is earlier, i.e. 100 – 120 m sec after A2 and higher pitch and is called pericardial knock seen in constrictive pericarditis

Cardiology Flashcard List

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