us-abem MCQ (SBA): Long QT (Drug Risk)

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ModerateCardiologyLong QT (Drug Risk)us-abemus-usmle-step-2us-usmle-step-3

A 57-year-old with recurrent syncope during exertion has a normal echocardiogram and QTc 540 ms on ECG. Which medication should be avoided?

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us-abem MCQ: Long QT (Drug Risk) — Answer & Explanation | iatroX