45 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Supraventricular Tachycardias ... - Pathophysiology ... #Pathophysiology ... SVT #diagnosis #cardiology ... 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 ... diagnosis #causes #cardiology
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Tachycardia - Differential ... Atrial Flutter, AVRT ... WPW), AVnRT (ie ... , Antidromic AVRT ... Differential #Diagnosis #cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Rhythm: Sinus tachycardia ... , AVNRT, Orthodromic ... AVRT, Atrial Tachycardia ... block, Antidromic AVRT ... Differential #Diagnosis #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
SA node: Sinus tachycardia ... (AVRT), AV nodal ... re-entrant tachycardia ... (AVNRT) • Ventricles ... Diagnosis #Causes #cardiology
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 ... Diagnosis #Management #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Aflutter • AVNRT ... • AVRT (ie ... tachyarrhythmias #Cardiology ... Differential #Diagnosis #Algorithm
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 ... Treatment #management #cardiology ... #algorithm
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... (AVNRT) - Pathophysiology ... narrow complex tachycardia ... #AVNRT #Pathophysiology ... #cardiology #SVT
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
(AVRT) in WPW: ... ddx: AVNRT, AVRT ... , atrial tachycardia ... suggestive more of AVRT ... #differential #cardiology