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Total cosine R-to-T (TCRT) is a descriptor of T-wave morphology analysis based on singular value decomposition of 12-lead electrocardiograms (ECGs), which is useful in risk stratification of patients with myocardial infarction (MI). A new marker of standard ECG substituted for TCRT is proposed and the aim of this study was to evaluate the correlation between the new index and TCRT in patients with cardiomyopathy and MI.

circulation journal

Characteristics of a New Repolarization Descriptor Substituted for T-Wave Morphology Analysis in Patients With Cardiomyopathy and Myocardial Infarction