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Lancet. 2000 Aug 19;356(9230):651-2.

Predictive value of T-wave alternans for arrhythmic events in patients with congestive heart failure.

Author information

1
MA Inst Tech, Cambridge

Abstract

Measurement of microvolt level T-wave alternans in the surface electrocardiogram is a novel way to assess the risk of ventricular arrhythmias. Seven tests of arrhythmic risk, including T-wave alternans, were undertaken in 107 consecutive patients with congestive heart failure and no history of sustained ventricular arrhythmias; the patients were followed up for arrhythmic events during the next 18 months. Of the patients with events, 11 had positive and two indeterminate T-wave alternans results; there were no arrhythmic events among patients with negative T-wave alternans results. Of the seven tests, only T-wave alternans was a significant (p=0.0036) and independent predictor of arrhythmic events.

PMID:
10968440
DOI:
10.1016/s0140-6736(00)02609-x
[Indexed for MEDLINE]

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