37 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... Narrow Complex ... Junctional tachycardia Narrow ... #Causes #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
: • ST vs SVT ... whether AF is cause ... Tx: Underlying cause ... #Irregular #causes ... #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... (>100 bpm) - Narrow ... WPW) - Narrow ... tachyarrhythmias #Cardiology ... #causes
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Diagnosis Framework Narrow-Complex ... WPW), AVnRT (ie SVT ... block) Regular-Complex ... Differential #Diagnosis #cardiology ... #wide #narrow #
Ventricular Tachycardia - Management Algorithm
Wide Complex Tachycardia: Rate > 100, QRS > 120
DDx: Ventricular tachycardia, SVT
Tachycardia - Management Algorithm ... Wide Complex Tachycardia ... Ventricular tachycardia, SVT ... with aberrancy, SVT ... #cardiology #VT
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Complex Tachycardia ... "PSVT" (atrioventricular ... differential #diagnosis #causes ... #cardiology
Wide Complex Tachycardia - Differential Diagnosis Algorithm
Irregular
 • Polymorphic VT
    - Torsades
Wide Complex Tachycardia ... Differential Diagnosis Algorithm ... Mimickers - SVT ... Tachycardia - SVT ... #WCT #cardiology
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
overdose - AVRT in narrow ... complex tachycardias ... from SVT with aberrancy ... in wide complex ... #Diagnosis #Cardiology
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
’s a great ECG case ... Is it wide or narrow ... complex? ... are clearly narrow ... Electrocardiogram #Cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
beats (hybrid complex ... negative (QS) complexes ... Brugada algorithm ... VentricularTachycardia #SVT ... Comparison #Diagnosis #Cardiology