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Electrocardiographic signal-averaging during sinus rhythm (61 to 99 beats/min) and atrial pacing (100 to 171 beats/min) were performed to determine the effect of heart rate on late potentials in 15(More)
In patients with coronary artery disease, cigarette smoking increases myocardial oxygen demand but may cause an inappropriate alpha-adrenergically mediated fall in myocardial oxygen supply. This(More)
ECG signal averaging can detect low amplitude diastolic potentials in sinus rhythm. We, therefore, recorded signal-averaged ECGs during eight episodes of inducible uniform sustained VT with(More)