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General Medicine · Cardiology: Takotsubo cardiomyopathy
Sample itemA 64-year-old woman develops central chest pain two days after her husband dies. ECG shows anterior ST elevation and troponin is mildly raised. Coronary angiography shows no obstructive lesion, and left ventriculography reveals apical ballooning with basal hyperkinesis. What is the most likely diagnosis?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Takotsubo (stress) cardiomyopathy
Takotsubo cardiomyopathy typically affects postmenopausal women after an emotional or physical stress, mimicking anterior STEMI with disproportionately modest troponin rise and normal coronaries. The left ventricle shows transient apical ballooning that usually recovers over weeks. Management is supportive, with beta-blockers or ACE inhibitors used and complications such as heart failure treated.
Option by option
A. Spontaneous coronary artery dissection
Dissection of a coronary artery would be visible as a flap or intramural haematoma on angiography.
B. Prinzmetal variant angina
Variant angina causes transient ST elevation from focal spasm, not a wide region of apical akinesis with basal hyperkinesis.
C. Acute viral myocarditis
Myocarditis follows a viral prodrome and does not produce a characteristic apical ballooning pattern with normal coronaries after stress.
D. Takotsubo (stress) cardiomyopathy (correct)
Transient apical ballooning with normal coronaries after emotional stress defines Takotsubo cardiomyopathy.
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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