Ventricular Tachycardia

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Signal-averaged electrocardiography for detection of ventricular tachycardia using fast Fourier transform filtering on a standard ECG cart
Timothy P. Obarski, DO, Donald A. Underwood, MD and Tony Simmons, MD

Cleveland Clinic Journal of Medicine November 1991, 58 (6) 510-512;

This new means of generating signal-averaged ECG data compares favorably with bidirectional Butterworth filter or finite impulse response filtering techniques in predicting the inducibility of ventricular tachycardia in the electrophysiology lab.