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NBME 18 Answers

nbme18/Block 2/Question#15 (8.5 difficulty score)
38 yo man, 1 week history of shortness of ...
Aortic regurgitation🔍
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The pulse described is brisk upstroke and downstroke in the carotid. A classic finding in Aortic Regurgitation is Water hammer pulse, which fits the description given in the question, opposed to the pulse finding in Aortic Stenosis which is Pulsus parvus et tarsus (slow rising weak pulse).




When ever they talk about the carotid artery, start thing of options with Aortic valve. Described in this question is a hyperdynamic pulse seen with Aortic regurgitation. First all the blood goes up then most of it falls back into the hear (regurg)