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Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Morphological Criteria ... #Cardiology #ECG ... #EKG #Electrocardiogram ... #VTach #SVT #Differences ... #Comparison #Brugada
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
narrow complex tachycardias ... from SVT with aberrancy ... using the Vereckei criteria ... ) #Diagnosis # ... Cardiology #EKG
RBBB Ventricular Tachycardia Criteria - Lead V1 - Telemetry Diagnosis
WCT is VT IF:
 • R >
Criteria - Lead ... V1 - Telemetry Diagnosis ... WCT is VT IF: ... #V1 #diagnosis ... #cardiology #ekg
LBBB Ventricular Tachycardia Criteria - Lead V1 - Telemetry Diagnosis
WCT is VT IF:
 • Initial r
Criteria - Lead ... V1 - Telemetry Diagnosis ... WCT is VT IF: ... #V1 #diagnosis ... #cardiology #ekg
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
: Differential diagnosis ... tachycardia (SVT ... • Vereckei criteria ... than Brugada criteria ... #cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... SVT with BBB All ... #Comparison #VentricularTachycardia ... #Versus #ecg #ekg ... #cardiology #diagnosis
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
, Wide-Complex Tachycardia ... same polarity) in all ... dissociation (fusion ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
run) and fusion ... concordance in all ... Morphology criteria ... Aberration #Aberrancy #Comparison ... #Diagnosis #Cardiology
Pava Criteria - R-Wave Peak Time (RWPT) - Lead II - Ventricular Tachycardia Criteria - Telemetry
- Ventricular Tachycardia ... Diagnosis WCT ... is VT IF: RWPT ... VTach #leadII #diagnosis ... #cardiology #ekg
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
for diagnosing ... 2ms spike - Fusion ... Discordance" = ST ... #Checklist #EKG ... #cardiology #lbbb