Tachyarrhythmia Framework - Differential Diagnosis • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT, Atrial Tachycardia, Atrial flutter, Junctional tachycardia • Narrow QRS - Irregular Rhythm: Atrial fibrillation, Atrial flutter w/ variable AV block, Multifocal atrial tachycardia • Wide QRS - Regular Rhythm: Ventricular tachycardia, SVT with bundle branch block, Antidromic AVRT, Pre-excited SVT • Wide QRS - Irregular Rhythm: Polymorphic ventricular tachycardia, Atrial fibrillation with bundle branch block, Atrial flutter with variable AV block & bundle branch block VA Joint Chiefs @BostonChiefs #Tachyarrhythmias #tachycardia #Differential #Diagnosis #cardiology
