52 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
pathways through SA ... Node, Atrium, AV ... • Atrial Tachycardia ... Pathophysiology #SVT ... #diagnosis #cardiology
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... Tachycardia (MAT ... #Atrial #Tachycardia ... #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
, Atrial Tachycardia ... Fibrillation, Multifocal ... Atrial Tachycardia ... Antidromic AVRT, SVT ... Differential #Diagnosis #cardiology
Comparison between Wandering atrial pacemaker (A) vs multifocal atrial arrhythmia (B)

#WAP #MAR #wandering #atrial #pacemaker #comparison
pacemaker (A) vs multifocal ... pacemaker #comparison #multifocal ... #rhythm #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Differential Diagnosis Algorithm ... • Atrial tachycardia ... fibrillation • Multifocal ... atrial tachycardia ... #Causes #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Arrhythmias • SA ... > 100 bpm) • SA ... ), Multifocal Atrial ... VT (i.e. ... Diagnosis #Causes #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... Multifocal Atrial ... Atrial flutter ... "PSVT" (atrioventricular ... diagnosis #causes #cardiology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Tachycardia (MAT ... #Atrial #Tachycardia ... #MAT #Cardiology ... #EKG #Management
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Sinus Syndrome • SA ... Conduction • Multifocal ... Atrial Tachycardia ... tachyarrhythmias #Cardiology
Comparison of Multifocal Atrial Tachycardia, Atrial Fibrillation and Atrial Flutter
Multifocal Atrial Tachycardia - Atrial Rate >
Atrial Tachycardia ... Multifocal Atrial ... Tachycardia - Atrial ... Comparison #Diagnosis #Cardiology ... #Electrocardiogram