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

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Sinus tachycardia ... retrograde) - AVNRT ... , AVRT, Junctional ... tachycardia
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Tachycardia - Differential ... , Atrial Tachycardia ... Atrial Flutter, AVRT ... WPW), AVnRT (ie ... , Antidromic AVRT
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
SA node: Sinus tachycardia ... , Focal Atrial Tachycardia ... (AVRT), AV nodal ... re-entrant tachycardia ... (AVNRT) • Ventricles
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Rhythm: Sinus tachycardia ... , AVNRT, Orthodromic ... AVRT, Atrial Tachycardia ... flutter, Junctional tachycardia ... block, Antidromic AVRT
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Supraventricular Tachycardia ... Regular SVT: Sinus Tachycardia ... , AVNRT, AVRT, Atrial ... Ectopic Atrial Tachycardia ... Supraventricular #Tachycardia
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... (AVNRT) - Pathophysiology ... substrate for AVNRT ... narrow complex tachycardia ... Nodal #Reentrant #Tachycardia
Narrow QRS Tachycardia Algorithm (QRS ≤ 120 ms)

doi: 10.1159/000508264

#Narrow #QRS #Tachycardia #Algorithm #diagnosis #algorithm #cardiology #avnrt
Narrow QRS Tachycardia ... #Narrow #QRS #Tachycardia ... algorithm #cardiology #avnrt
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex Tachycardia ... Converts - Probably AVnRT ... or AVRT - Observe ... ectopic atrial tachycardia ... , junctional tachycardia
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
findings: Sinus tachycardia ... (AVRT) in WPW: ... ddx: AVNRT, AVRT ... , atrial tachycardia ... suggestive more of AVRT