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Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Discriminating Ventricular ... Distinguishing #Criteria #Cardiology ... #ECG #EKG #Electrocardiogram ... #VTach #SVT #Differences ... Comparison #Brugada #Algorithm
Wide Complex Tachycardia - ECG Definition and Causes
 • Wide Complex Tachycardia (WCT) is a cardiac
Tachycardia - ECG ... : • Ventricular ... Tachycardia (VT ... Supraventricular tachycardia (SVT ... WCT #diagnosis #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Regular Rhythm SVT ... Irregular Rhythm SVT ... Regular rhythm SVT ... Irregular rhythm SVT ... #causes
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
tachycardia • Regular SVT ... QRS • Regular SVT ... • Irregular SVT ... • Irregular SVT ... #Causes #cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
VT versus SVT with ... Interpretation Cheat ... sinus beat and a ventricular ... Brugada algorithm ... VentricularTachycardia #SVT
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
regular rhythms: PSVT ... or VT • Rapid ... Arrhythmias: • SVT ... & termination: SVT ... vagal maneuvers: SVT-AVNRT
Vereckie Algorithm - Lead aVR - Ventricular Tachycardia - Telemetry Diagnosis
WCT is VT IF:
 • Initial
Vereckie Algorithm ... - Lead aVR - Ventricular ... Diagnosis WCT is VT ... avr #diagnosis #cardiology ... #ekg #ecg #telemetry
Algorithm for the Management of Ventricular Tachycardia Electrical Storm
ES diagnosed (≥ 3 episodes of VT/ICD therapies
3 episodes of VT ... of reversible causes ... Assessment of VT ... Monomorphic VT ... ICD Polymorphic VT
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 100 Wide (1) VT ... w/ BBB (3) SVT ... 200ms from longer pause ... Distal AV block - ventricular
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Treatment of Stable ... Regular • If ventricular ... cardioversion • If known SVT ... nodal agents (e.g ... #algorithm