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  • Title: [Hypertrophic cardiomyopathy with mid-ventricular obstruction complicated with apical left ventricular aneurysm and ventricular tachycardia: a case report].
    Author: Ito N, Suzuki M, Enjoji Y, Nakamura M, Namiki A, Hase H, Sugi K, Hirai H, Yamaguchi T.
    Journal: J Cardiol; 2002 Apr; 39(4):213-9. PubMed ID: 11977769.
    Abstract:
    A 69-year-old man was admitted with palpitations and syncope. His medical history included hypertension and left ventricular hypertrophy. Arterial pulsation was not palpable on admission. Electrocardiography revealed ventricular tachycardia, and cardioversion restored normal sinus rhythm. An electrophysiological study reproducibly induced polymorphic ventricular tachycardia, so a cardioverter defibrillator was implanted. Echocardiography revealed mid-ventricular obstruction and an apical aneurysm, and Doppler color flow imaging showed a diastolic paradoxic jet from the apex toward the base. Coronary angiography showed no stenosis of the extramural coronary arteries. Ventricular tachycardia on admission showed a right bundle branch block pattern and a superior axis deviation, so the arrhythmia was thought to originate from the apical aneurysm. Apical aneurysm can result from elevated intraventricular pressure or relative myocardial ischemia. This is a rare case of hypertrophic cardiomyopathy with mid-ventricular obstruction complicated with apical aneurysm and polymorphic ventricular tachycardia.
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