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General Medicine · Cardiology: acute coronary syndrome
Sample itemA patient develops crushing central chest pain with ST-segment elevation in the inferior leads and is hypotensive with clear lungs. Which complication should be actively considered before giving nitrates?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Right ventricular infarction
Inferior STEMI can involve the right ventricle, making cardiac output preload-dependent. Nitrates may precipitate marked hypotension in this setting.
Option by option
A. Right ventricular infarction (correct)
Correct. Right ventricular infarction commonly accompanies inferior infarction and is sensitive to preload reduction.
B. Aortic regurgitation
Aortic regurgitation does not explain this acute inferior-STEMI pattern.
C. Stable angina
Stable angina is exertional and should not cause persistent ST elevation or shock.
D. Acute pericarditis
Pericarditis causes positional pleuritic pain and diffuse rather than inferior-only ST elevation.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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