Japanese Heart Journal
Online ISSN : 1348-673X
Print ISSN : 0021-4868
ISSN-L : 0021-4868
Transient Left Ventricular Aneurysm and Hypertrophy Accompanied by Polymorphic Ventricular Tachycardia in a Patient Suspected of Acute Myocarditis
Atsushi IZAWAYoshikazu YAZAKIShin-ichiro HAYASHIHiroshi IMAMURAYasukata KUSAMAMitsuaki ISOBE
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2000 Volume 41 Issue 1 Pages 97-102

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Abstract

A 75-year-old woman presented with recurrent ventricular tachycardia (VT) compatible with torsades de pointes (TdP) based on sinus bradycardia and QT prolongation. Previously she had received pirmenol, at a serum concentration within therapeutic range, for her paroxysmal atrial fibrillation. Emergent cardiac catheterization identified a ventricular aneurysm of the anteroapical and inferior wall along with angiographically normal coronary arteries. A right ventricular endomyocardial biopsy revealed postmyocarditic change. The left ventricular contraction improved after 5 weeks of conservative treatment. A follow-up echocardiogram revealed transient thickening of partial left ventricular wall consistent with the segment of the aneurysm. Several months later, almost all abnormal findings had improved except for sustained deep negative T waves in precordial leads. Acute myocarditis was primarily suspected as the cause of her clinical presentation. (Jpn Heart J 2000; 41: 97-102)

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© 2000 by the Japanese Heart Journal
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