HRS Board Review Course 2025 Board Prep-Testable Concepts

Video Transcription

Video Summary

This is Greg Michaud from Mass General Hospital discussing essential principles of cardiac electrophysiology (EP) pertinent to board exams and general knowledge. He highlights various scenarios and mechanisms related to arrhythmias, such as paroxysmal AV block, differentiating it from vagally mediated AV block by observing sinus slowing, as well as intrahysian block and the significance of ECG artifacts. Michaud also delves into intricacies of different tachycardias, including their initiation, diagnosis, and management via maneuvers and criteria like parahisian pacing and analyzing tachycardia cycle lengths. Key distinctions between wide complex tachycardias, understanding AVNRT, and mechanisms of accessory pathways are explored. The talk covers pharmacologic influences on pacing and defibrillation thresholds and diagnostic approaches for specific cardiomyopathies, along with lead placements in devices. Furthermore, Michaud outlines considerations for ablation techniques, the significance of ECG patterns in VT and PVC localization, and testing strategies for recognizing capture and conduction block. He emphasizes understanding these core concepts, analytical skills, and practical applications for successful board preparation and beyond.

Keywords

cardiac electrophysiology

arrhythmias

AV block

tachycardias

ECG artifacts

accessory pathways

ablation techniques

pacing and defibrillation

cardiomyopathies