open access

Vol 70, No 8 (2012)
Case studies
Published online: 2012-08-21
Submitted: 2012-12-28
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SAM not only in hypertrophic cardiomyopathy

Anna Klisiewicz, Agnieszka Lech, Jacek Różański, Piotr Hoffman
Kardiol Pol 2012;70(8):833-835.

open access

Vol 70, No 8 (2012)
Case studies
Published online: 2012-08-21
Submitted: 2012-12-28

Abstract

Hypertrophic obstructive cardiomyopathy with significant hypertrophy of the basal septum is the most frequently reported cause of left ventricular outflow tract obstruction (LVOTO) in the mechanism of systolic anterior movement (SAM). Additionally, other conditions such as dehydration, vasodilatation, mitral valve repair, dobutamine stress echocardiography and pheochromocytoma have been associated with LVOTO. In this report, we present a case of a patient without hypertrophic cardiomyopathy who developed severe LVOTO in the SAM mechanism. The presented case serves as a reminder that hypovolaemia together with hyperdynamic state resulting from increased catecholemines may result in the development of dynamic LVOTO.

Abstract

Hypertrophic obstructive cardiomyopathy with significant hypertrophy of the basal septum is the most frequently reported cause of left ventricular outflow tract obstruction (LVOTO) in the mechanism of systolic anterior movement (SAM). Additionally, other conditions such as dehydration, vasodilatation, mitral valve repair, dobutamine stress echocardiography and pheochromocytoma have been associated with LVOTO. In this report, we present a case of a patient without hypertrophic cardiomyopathy who developed severe LVOTO in the SAM mechanism. The presented case serves as a reminder that hypovolaemia together with hyperdynamic state resulting from increased catecholemines may result in the development of dynamic LVOTO.
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Keywords

systolic anterior movement; left ventricular outflow tract obstruction; hypovolaemia; echocardiography

About this article
Title

SAM not only in hypertrophic cardiomyopathy

Journal

Kardiologia Polska (Polish Heart Journal)

Issue

Vol 70, No 8 (2012)

Pages

833-835

Published online

2012-08-21

Bibliographic record

Kardiol Pol 2012;70(8):833-835.

Keywords

systolic anterior movement
left ventricular outflow tract obstruction
hypovolaemia
echocardiography

Authors

Anna Klisiewicz
Agnieszka Lech
Jacek Różański
Piotr Hoffman

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