101 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
through SA Node, Atrium ... , AV Node, Bundle ... • Atrial Tachycardia ... • Atrial Flutter ... • Atrial Fibrillation
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Tachycardia, Atrial ... tachycardia • ... , SVT with bundle ... with bundle branch ... variable AV block & bundle
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... Multifocal Atrial ... Atrial flutter ... (Ectopic) Atrial ... differential #diagnosis #causes
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Atria: Premature ... Atrial Contractions ... (PACs), Atrial ... (PST), Focal Atrial ... Differential #Diagnosis #Causes
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... • Atrial tachycardia ... Differential #Diagnosis #Algorithm ... #Causes #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Treat underlying cause ... Treat underlying cause ... #Stable #NarrowComplex ... management #cardiology #algorithm
Supraventricular Tachycardia Differential Diagnosis
Sinus Tachycardia
Sinus Node Re-entry Tachycardia
Unifocal Atrial Tachycardia
Junctional Tachycardia
Multifocal Atrial Tachycardia (MAT)

- EB Medicine
Supraventricular Tachycardia ... Unifocal Atrial ... Tachycardia Junctional ... Atrial Tachycardia ... Differential #Diagnosis #causes
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... ARRYTHMIA • ATRIAL ... FIBRILLATION • ATRIAL ... • ATRIAL TACHYCARDIA ... #Palpitations #Causes
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
WPW is caused by ... pathway between the atria ... (known as the bundle ... supraventricular tachycardia ... reciprocating tachycardia
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... • Premature atrial ... Tachycardia - ... Differential #Diagnosis #Algorithm ... #causes