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Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Morphological Criteria ... #EKG #Electrocardiogram ... #VTach #SVT #Differences ... #Comparison #Brugada ... #Algorithm
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Regular Rhythm SVT ... Regular rhythm SVT ... Irregular rhythm SVT ... #causes
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
VT versus SVT with ... Brugada algorithm ... Morphology criteria ... #VTach #VentricularTachycardia ... #Aberrancy #Comparison
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
• Predictor of arrhythmia ... ventricular tachycardia (VT ... supraventricular tachycardia (SVT ... and to detect VT ... #differential #
Algorithm for the Management of Ventricular Tachycardia Electrical Storm
ES diagnosed (≥ 3 episodes of VT/ICD therapies
3 episodes of VT ... not terminating arrhythmia ... of reversible causes ... Assessment of VT ... #Management #VTach
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... , VT), Monomorphic ... VT, Polymorphic ... VT (i.e. ... #Diagnosis #Causes
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
or VT • Rapid ... : • SVT will have ... & termination: SVT ... or VT • Terminates ... vagal maneuvers: SVT-AVNRT
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Recurrent Polymorphic VT ... Pointes - Management Algorithm ... transvenous) Anti-arrhythmic ... 1b (lidocaine)- case ... #Polymorphic #VTach