A Quick and Easy Calculation for this very unusual ECG
================================== MY Comment, by KEN GRAUER, MD (9/9/2026): I’ve excerpted the tracing in Figure-1 from the…
Another diagnostic ECG of a potentially deadly condition
Written by Pendell Meyers A middle aged woman with no significant past medical history presented with epigastric abdominal pain with…
QT Correction Formulas Compared to The Rule of Thumb (“Half the RR”)
This article discusses correction of the QT interval for rate. I’ve been working on this a long time, thought about submitting it to a…