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NBME 23 Answers

nbme23/Block 3/Question#22

A 54-year-old woman with rheumatic heart disease is ...

Intra-alveolar transudates

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 +2  upvote downvote
submitted by shaydawn88(3),

Is it intra-alveolar transudates because this patient might have HF d/t a. fib and left atrial enlargement-> inc hydrostatic pressure-> transudate pleural effusion?

sajaqua1  Basically. +1  
medschul  Why can it not be arterial hypertension? +  
meningitis  I think Arterial HTN is referring to Pulmonary Artery HTN which would be present in LT HF in the long run with RT HF and edema. Pulm HTN would cause a backflow, and doesn't really answer the question "explain the patients Dyspnea". At least, that's how I saw it. Hope this helped. +1  
sugaplum  the question has 2 murmurs, so does she have aortic stenosis too? i guess it is not relevant since it asked for what is causing her SOB +  




 +0  upvote downvote
submitted by charcot_bouchard(50),

Old dudette have Aortic stenosis. Atrial contraction become essential for this patient. so AS + AFIb is dangerous because this reduces the LV preload significantly and this patient develops HF. So AFib in AS patient need to correct immediately





 +0  upvote downvote
submitted by dentist(2),

rheumatic hrt dz = mitral stenosis = pulmonary edema (bilateral crackles) = dyspnea





 +0  upvote downvote
submitted by kimcharito(4),

it is normal irradiation to the RIGHT neck? what does it mean?