CORRECT ANSWER: 

D) S3 gallop

MORE INFO:

• S3 heard best at left lateral side, this is extremely important (1).

• Have patient lay in left lateral side.

• S3 is usually a dull, low intensity heart sound.

• Doesn’t radiate far. It can be very difficult to hear.

• Can easily be missed if there are other noises going on in the environment.

• The bell should be placed over the apex.

OTHER ANSWERS:

• Click-usually heard with mitral valve prolapse

• Open snap- usually heard with thickened valve leaflets

• S4 is usually heard with left ventricular hypertrophy

REFERENCE:

• (1) https://www.ncbi.nlm.nih.gov/books/NBK

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