electrophysiological

are. electrophysiology study, cardiac arrhythmia diagnosis, intracardiac electrograms, programmed electrical stimulation, atrial flutter mapping, ventricular tachycardia induction, catheter ablation techniques, His bundle recording, arrhythmia substrate mapping, pacing maneu

the tachycardia. Key observations: Fusion: Partial blending of paced and intrinsic signals. Post-pacing interval (PPI): The time from last pacing stimulus to the next atrial or ventricular event; helps localize the circuit. Difference between PPI and tachycardia cycle length (TCL