Open AccessDobutamine-Precipitated Takotsubo Cardiomyopathy Mimicking Acute Myocardial Infarction
Author(s) -
Aníbal Arias,
Pablo Oberti,
Rodolfo Pizarro,
Mariano Falconi,
Diego Pérez de Arenaza,
Susana Zeffiro,
Arturo Cagide
Publication year - 2011
Publication title -
circulation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 7.795
H-Index - 607
eISSN - 1524-4539
pISSN - 0009-7322
DOI - 10.1161/circulationaha.110.008557
Subject(s) - medicine , myocardial infarction , cardiomyopathy , cardiology , dobutamine , humanities , heart failure , hemodynamics , art
A 77-year-old woman was referred for a dobutamine stress test. She had a prior history of hypertension. Basal ECG was normal (Figure 1A). At 40 μg · kg−1 · min−1 she developed typical chest pain with ST-segment elevation in DI, DII, and the anterior leads with ventricular bigeminy (Figure 1B and 1C). The echocardiogram showed apical and mid-wall myocardial segment akinesis with basal hyperkinesis and left outflow tract gradient obstruction of 60 mm Hg. The …
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