Mechanisms, Prediction and Treatment of Ventricular Tachyarrhythmias Occurring Late After Myocardial Infarction

Assessment, Significance and Mechanism of Ventricular Electrical Instability after Myocardial Infarction

“…53 Richards et al 54 reported the reproducibility of signal-averaging using a method developed independently of Uther, by Dr. Michael Simson 55 in Philadelphia. Using the Simson method, there were sometimes large differences from day to day in the voltage of signals during the terminal 40 ms of the averaged QRS complex.…”