A 73-Year-Old Man Is Evaluated for Exertional Dyspnea

A 73-year-old man is evaluated for exertional dyspnea.  His exercise tolerance has decreased over the last year, and he can barely walk 2-3 blocks without stopping.  The patient also reports occasional episodes of lightheadedness and palpitations.  He has had no chest pain or syncope.  He was diagnosed with hypertension in the past but does not take any medications.  Physical examination reveals a cardiac murmur.  The patient is referred to a cardiologist for further evaluation.  Cardiac catheterization is performed, and the findings are shown in the image below.  Which of the following points most likely corresponds to the peak murmur intensity in this patient?

A) A
B) B
C) C
D) D
E) E

Correct Answer:

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