48 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... 3 different P wave ... "PSVT" (atrioventricular ... #differential #diagnosis ... #causes #cardiology
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Tachycardia with ... :1 AV Block • Bidirectional ... Ventricular Tachycardia ... #Arrhythmias #diagnosis ... #cardiology #ecg
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Caused by atrial ... dissociation + retrograde atrial ... activation from SVT ... (e.g., junctional ... #diagnosis #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... - Differential Diagnosis ... • Atrial tachycardia ... #Algorithm #Causes ... #cardiology
Supraventricular Tachycardia Differential Diagnosis
Sinus Tachycardia
Sinus Node Re-entry Tachycardia
Unifocal Atrial Tachycardia
Junctional Tachycardia
Multifocal Atrial Tachycardia (MAT)

- EB Medicine
Differential Diagnosis ... Unifocal Atrial ... Atrial Tachycardia ... #Differential #Diagnosis ... #causes #svt #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... VT, Polymorphic ... VT (i.e. ... #Differential #Diagnosis ... #Causes #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... : Differential diagnosis ... aVR • Classic EKG ... tachycardia (SVT ... #cardiology
Comparison of Multifocal Atrial Tachycardia, Atrial Fibrillation and Atrial Flutter
Multifocal Atrial Tachycardia - Atrial Rate >
Comparison of Multifocal ... Atrial Tachycardia ... Tachycardia - Atrial ... AFib #AFlutter #Comparison ... #Diagnosis #Cardiology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... 3 different P wave ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Wide Complex Tachycardia - ECG Definition and Causes
 • Wide Complex Tachycardia (WCT) is a cardiac
and Causes • ... (VT) (~80%) • ... (SVT) - with ... #WCT #diagnosis ... #cardiology #ekg