Journal Article

Rare association of hypertrophic cardiomyopathy and complete atrioventricular block with prompt disappearance of outflow gradient after DDD pacing

M. Yesıl, S. Bayata, I. Susam, H. DıNçkal and N. Postaci

in EP Europace

Published on behalf of European Heart Rhythm Association of the European Society of Cardiology (ESC)

Volume 1, issue 4, pages 280-282
Published in print October 1999 | ISSN: 1099-5129
Published online October 1999 | e-ISSN: 1532-2092 | DOI: http://dx.doi.org/10.1053/eupc.1999.0051
Rare association of hypertrophic cardiomyopathy and complete atrioventricular block with prompt disappearance of outflow gradient after DDD pacing

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Although arrhythmias are common in hypertrophic cardiomyopathy (HCM), complete atrioventricular (AV) block is very unusual. A 27-year-old female presented with a recent history of syncope and exercise intolerance. ECG demonstrated complete AV block. Two-dimensional Doppler echocardiography revealed HCM with a 60 mmHg left ventricular outflow tract (LVOT) gradient. A temporary transvenous ventricular pacemaker was inserted urgently, and subsequently replaced by a permanent DDD pacemaker. All symptoms were eliminated. This symptomatic improvement was associated with complete disappearance of LVOT gradient at the time of implantation. No gradient was observed during early follow-up and at 6 months after DDD pacemaker implantation.

Keywords: Hypertrophic Obstructive cardiomyopathy; atrioventricular block; DDD pacemakers

Journal Article.  0 words. 

Subjects: Cardiovascular Medicine

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