Comparison of standard versus orthogonal ecg leads for t-wave alternans identification
Annals of Noninvasive Electrocardiology, 05/18/2012
Burattini L et al. – When using the adaptive match filter (AMF), T–wave alternans (TWA) should be detected in all leads of a system to compute the lead–system indexes, which provide a more reliable TWA identification than single–lead indexes, and a better discrimination of patients at increased risk of cardiac instability. The standard and the orthogonal leads can be considered equivalent for TWA identification, so that TWA analysis can be limited to one–lead system.