Cardiovascular Essentials for Advanced Practice Providers Revamp-Electrophysiology and Arrhythmias Video

Video Transcription

Video Summary

The module reviewed key electrophysiology topics, focusing on common cardiology arrhythmias: bradycardia, AV block, atrial fibrillation/flutter, SVT, ventricular tachycardia, and ventricular fibrillation. It explained ECG features, clinical presentations, reversible causes, and when to use monitoring, medications, pacing, ablation, anticoagulation, or ICDs.<br /><br />For bradycardia, sinus bradycardia is often physiologic, while sick sinus syndrome may require pacing. AV block was covered from first degree through complete heart block, with permanent pacemakers indicated for Mobitz II, high-grade, and third-degree block when not reversible. Evaluation emphasized ECG, ambulatory monitoring, sleep apnea screening, and electrophysiology study when needed. Pacemaker choices included traditional, leadless, and conduction system pacing.<br /><br />Atrial fibrillation was highlighted as the most common sustained arrhythmia, with management centered on risk factor modification, rate versus rhythm control, stroke prevention using CHA2DS2-VASc, and anticoagulation. The lecture also reviewed antiarrhythmic drug selection, catheter ablation, and left atrial appendage occlusion for patients who cannot take long-term anticoagulants.<br /><br />The SVT section covered AVNRT, AVRT/WPW, and atrial tachycardia, emphasizing ECG recognition and ablation as often curative. Finally, ventricular tachycardia and fibrillation were reviewed as potentially life-threatening rhythms requiring urgent ACLS-based treatment, defibrillation when unstable, and ICD consideration for secondary or primary prevention.

Keywords

electrophysiology

arrhythmias

bradycardia

atrial fibrillation

AV block

supraventricular tachycardia

ventricular tachycardia

ventricular fibrillation

pacemaker