Predictive Value of Microvolt T-Wave Alternans in Patients With Left Ventricular Dysfunction
Electrophysiologic Techniques, Cardiac
Ventricular Dysfunction, Left
Microvolt TWA predicts arrhythmia-free survival among patients with LV dysfunction. However, the event rate in the TWA-negative group suggests that TWA may not be capable of identifying a sufficiently low-risk subset in this population to obviate the need for ICD implantation.