Echocardiographic assessment of wall motion in ST-segment alternans during coronary angioplasty

Document Type

Journal Article

Publication Date

1-1-1996

Journal

Clinical Cardiology

Volume

19

Issue

9

DOI

10.1002/clc.4960190914

Keywords

angioplasty; echocardiography; ischemia

Abstract

ST alternans occurs in the setting of severe and extensive myocardial ischemia. In this particular case, ST alternans occurred well after the onset of ischemia-induced left ventricular dysfunction. There is no echocardiographic evidence of beat-to-beat variation in contractility to correspond to this ST-segment phenomenon. Further studies of left ventricular function during ST alternans in patients are needed to determine whether this finding applies to all patients with ischemic heart disease.

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