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NBME 20 Answers

nbme20/Block 1/Question#20 (42.5 difficulty score)
An 8-year-old boy is evaluated for ...
Coarctation of the aortaπŸ”,πŸ“Ί

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submitted by hayayah(1081),
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aoatrinctoC of the toara dasel ot eeradncsi VL eoovlrad gscnuai VL yothpryherp dna a L ixsa

hungrybox  Similarly, RV overload leads to R axis deviation. Could point to PAH. +1  

submitted by hungrybox(1051),

Mitral valve stenosis only causes LA overload. In contrast to ventricular overload, atrial overload does not cause any axis deviations.

Thus, mitral valve stenosis is incorrect.

(I was between this and mitral valve stenosis.)

submitted by andremosq(3),


Left ventricular hypertrophy, Left BBB, Inferior MI,WPW syndrome (accessory pathway in the left side), Left anterior block..