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Myocardial stunning in hypertrophic cardiomyopathy: recovery predicted by single photon emission computed tomographic thallium-201 scintigraphy

Journal Article · · J. Am. Coll. Cardiol.; (United States)
A young woman with hypertrophic cardiomyopathy confirmed by echocardiography and cardiac catheterization presented with chest pain and features of a large left ventricular aneurysm. The initial diagnosis was myocardial ischemia with either an evolving or an ancient myocardial infarction. Subsequently, verapamil therapy was associated with complete resolution of the extensive left ventricular wall motion abnormalities, normalization of left ventricular ejection fraction and a minimal myocardial infarction. Normal thallium uptake on single photon emission computed tomographic scintigraphy early in the hospital course predicted myocardial viability in the region of the aneurysm. Thus, orally administered verapamil may reverse spontaneous extensive myocardial ischemia in hypertrophic cardiomyopathy and possibly limit the extent of myocardial infarction in such circumstances.
Research Organization:
Mayo Clinic, Rochester, MN (USA)
OSTI ID:
6256346
Journal Information:
J. Am. Coll. Cardiol.; (United States), Journal Name: J. Am. Coll. Cardiol.; (United States) Vol. 13:6; ISSN JACCD
Country of Publication:
United States
Language:
English