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Medicine

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Cardiology

Question
19 out of 19
 

Splitting of S1 is seen in?



A RBBB
B LBBB

C AS
D MS

Ans. A

RBBB

(Ref. Hari-18th ed., Pg-1826)

The first heart sound (S1) includes mitral and tricuspid valve closure. Normal splitting can be appreciated in young patients and those with right bundle branch block, in whom tricuspid valve closure is relatively delayed.

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