719 results
Ventricular Tachycardia - Management Algorithm
Wide Complex Tachycardia: Rate > 100, QRS > 120
DDx: Ventricular tachycardia, SVT
, SVT with aberrancy ... , SVT iso Na channel ... • Monomorphic VT ... • Polymorphic VT ... Algorithm #cardiology #VT
Wide Complex Tachycardia - Differential Diagnosis Algorithm
Irregular
 • Polymorphic VT
    - Torsades
• Polymorphic VT ... True Monomorphic VT ... Heart Disease • VT ... Mimickers - SVT ... - SVT with
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Tachycardia - Differential ... WPW), AVnRT (ie SVT ... Antidromic AVRT, SVT ... Irregular: Polymorphic VT ... Any irregular SVT
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 ... Pathophysiology #SVT
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• Sinus Tachycardia ... Ectopic Atrial Tachycardia ... Multifocal Atrial Tachycardia ... • Monomorphic VT ... • Polymorphic VT
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... Narrow Complex Tachycardia ... : • ST vs SVT ... • HyperK vs VT ... > SVT+conduction
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
SA node: Sinus tachycardia ... , Focal Atrial Tachycardia ... (V-tach, VT), Monomorphic ... VT, Polymorphic ... VT (i.e.
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
findings: Sinus tachycardia ... Narrow complex tachycardia ... (VT) from supraventricular ... tachycardia (SVT ... and to detect VT
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 ... "PSVT" (atrioventricular
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... • Regular SVT ... QRS • Regular SVT ... • Irregular SVT ... • Irregular SVT