A 25-Year-Old Man with an Insignificant Medical History Was Playing

A 25-year-old man with an insignificant medical history was playing soccer when he suddenly collapsed.  Despite all attempts to save his life, he died.  Autopsy is performed.  Gross examination of the heart reveals a weight of 580 g (normal: <350) .  The cut surface of the heart is shown in the image. If this patient had a preparticipation sports screening, cardiac auscultation would have likely revealed a murmur that increases in intensity after which of the following?

A) Passive leg raising
B) Phenylephrine infusion
C) Squatting
D) Sudden standing
E) Sustained hand grip

Correct Answer:

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