Prospective community evaluation of the signal‐averaged electrocardiogram in predicting malignant ventricular arrhythmias: Beneficial outcome with …
PC Nalos, JM Pappas, W Nyitray, T Ishimori… - Clinical …, 1991 - Wiley Online Library
The role of the signal‐averaged ECG was prospectively assessed in 517 patients in whom
there was a suspicion for malignant ventricular arrhythmias. Patients were divided into
Group I with a normal surface QRS width< 120 ms (426 patients) and Group II with a
prolonged QRS duration> 120 ms (91 patients). Late potentials were present in 42 (10%)
Group I patients and in 24 (26%) Group II patients. Programmed ventricular stimulation was
performed for standard indications in 55 patients without late potentials and in 42 patients …
there was a suspicion for malignant ventricular arrhythmias. Patients were divided into
Group I with a normal surface QRS width< 120 ms (426 patients) and Group II with a
prolonged QRS duration> 120 ms (91 patients). Late potentials were present in 42 (10%)
Group I patients and in 24 (26%) Group II patients. Programmed ventricular stimulation was
performed for standard indications in 55 patients without late potentials and in 42 patients …
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