Sunday, September 17, 2017

Repeated USMLE Questions Step 1- 167






A 62-year-old man presents to the clinic with rashes all over his body and painful joints. Last month, he was diagnosed with arrhythmia. He is taking one medication for it.

Laboratory tests reveal anti-histone antibodies.

Which of the following drugs is most likely responsible for this condition?

A-Hydralazine

B-Metoprolol

C-Propranolol

D-Sotalol

E-Verapamil







Answer:

This is a case of drug-induced lupus erythematosus caused by hydralazine. Other drugs do not cause DILE.

The correct answer is A



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