284 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Supraventricular Tachycardias ... • Atrial Tachycardia ... • Atrial Flutter ... Nodal Reentry Tachycardia ... • AV Reentry Tachycardia
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Narrow Complex Tachycardia ... Narrow Complex Tachycardia ... Sinus tachycardia ... Atrial flutter
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Rhythm: Sinus tachycardia ... , Atrial flutter ... , Junctional tachycardia ... fibrillation, Atrial flutter ... block, Atrial flutter
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Tachycardia - Differential ... , Junctional Tachycardia ... , Atrial Tachycardia ... , Atrial Flutter ... (MAT), Atrial Flutter
Comparison of Multifocal Atrial Tachycardia, Atrial Fibrillation and Atrial Flutter
Multifocal Atrial Tachycardia - Atrial Rate >
Multifocal Atrial Tachycardia ... Fibrillation and Atrial Flutter ... Multifocal Atrial Tachycardia ... intervals Atrial Flutter ... "Saw tooth" flutter
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... • Atrial flutter ... • AV reentrant tachycardia ... • Atrial tachycardia ... • Atrial flutter
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
SA node: Sinus tachycardia ... (PACs), Atrial Flutter ... , Focal Atrial Tachycardia ... AV re-entrant tachycardia ... ), Ventricular tachycardia
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... If see flutter p ... • Atrial Flutter ... If not Flutter P ... SarahFoohey #Tachycardia
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex Tachycardia ... Possible atrial flutter ... ectopic atrial tachycardia ... , junctional tachycardia ... possible atrial flutter
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
FIBRILLATION • ATRIAL FLUTTER ... SUPRAVENTRICULAR TACHYCARDIA ... • ATRIAL TACHYCARDIA ... • VENTRICULAR TACHYCARDIA ... NON-ARRHYTHMIC • SINUS TACHYCARDIA