• Aug 14, 2025 understanding intracardiac egms and ecgs cular depolarization T wave: Ventricular repolarization PR interval, QT interval: Timing of electrical events These components help in diagnosing a wide range of cardiac issues, from arrhythmias to structural heart disease. What are Intracardiac Electrograms (EGMs)? Definition and Overview Intrac By Alfonzo Kunze