Predictive value of microvolt T-wave alternans in patients with left ventricular dysfunction

Daniel J Cantillon1, Kenneth M Stein, Steven M Markowitz

  • 1Department of Medicine, Division of Cardiology, Cornell University Medical Center, New York, New York 10021, USA.

Summary

Microvolt T-wave alternans (TWA) predicts arrhythmia-free survival in patients with left ventricular dysfunction. However, it may not identify a low-risk group sufficient to avoid implantable cardioverter-defibrillator (ICD) implantation.

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