endless loop tachycardiaPacemaker-mediated tachycardia8 Min Read Magnus NossenonDecember 3, 2025 An 87-year-old with dyspnea and intermittent WCT Written by Magnus Nossen The patient in today’s case is an 87 year old female with a history of dual chamber pacemaker and Afib. She…
Atrial Tachycardiabiventricular pacerBiventricular pacingcardiac resynchronization therapy (CRT)electrophysiologyendless loop tachycardiaPacemaker-mediated tachycardia11 Min Read Willy FrickonDecember 20, 2024 Chest pain and rapid pacing followed by an unexplained wide complex tachycardia. Time for cardioversion? Written by Willy Frick with edits by Ken Grauer An older man with a history of non-ischemic HFrEF s/p CRT and mild coronary artery disease…
AVRT AntidromicPacemaker-mediated tachycardiaRVOT (right ventricular outflow tract ventricular tachycardia)Wide complex tachycardia6 Min Read Steve SmithonJune 21, 2024 Regular Wide Complex Tachycardia. What to do? A patient in the ICU with significant underlying cardiac disease [HFrEF 30%, non-ischemic cardiomyopathy, LBBB s/p CRT-D (biventricular…
cardiac arrestcardiac resynchronization therapy (CRT)Cardiomyopathy exaggerates STE in LBBB/Paced rhythmLBBBmodified sgarbossa criteria-False PositivePacemaker-mediated tachycardia5 Min Read Steve SmithonApril 2, 2024 Ventricular Fibrillation, ICD, LBBB, QRS of 210 ms, Positive Smith Modified Sgarbossa Criteria, and Pacemaker-Mediated Tachycardia An elderly man collapsed. There was no bystander CPR. Medics found him in ventricular fibrillation. He was defibrillated, but they…