NBME Step 2 CK Form 8 MR angiography of the renal arteries (NBME Answers)

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Retired NBME Step 2 CK Form 8 Answers

step2ck_form8/Block 4/Question#4 (reveal difficulty score)
A 52-year-old man comes to the physician for ...
MR angiography of the renal arteries 🔍 / 📺 / 🌳 / 📖
tags: renal

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submitted by ∗step_prep2(66)

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Middle-aged man with severe symptomatic hypertension with left abdominal bruit, most concerning for renal artery stenosis
Most common causes of renal artery stenosis include atherosclerosis, fibromuscular dysplasia and polyarteritis nodosa
Gold standard for renal artery stenosis is invasive angiography, whereas screening typically done with duplex ultrasound

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seagull This test likes renovascular HTN for some reason. This is like the 3rd or 4 question about it. +6

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submitted by ∗saffronshawty(30)

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I get that the bruit = Renovascular disease. But why is it not hyperaldosteronism when there is hypertension + hypokalemia + elevated bicarb

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saffronshawty OHHH wait, is there secondary hyperaldosteronism due to the renal artery stenosis? that explains things.. +2

adong yea elevated renin +

notyasupreme I think it's because of the location.. I was between those two choices, but figured one said the adrenal veins, when this is 2/2 renovascular stenosis +1

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