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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
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Classic Digoxin-Associated ... unusually slow ventricular ... Tachycardia with 2:1 AV ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Various wide complex tachycardia (WCT) differentiation algorithmic designs and algorithms.
The most commonly utilized approaches to differentiate
Brugada,2 Vereckei aVR ... Differentiation #Ventricular ... #Tachycardia #VTach ... #ECG #EKG #Electrocardiogram ... #Diagnosis #Cardiology
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
Hallmark ECG features ... Tachycardia (VT) ... #VTach #ECG #EKG ... #Electrocardiogram ... #Diagnosis #Cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... - Decreases AV ... effect on ECG ( ... #EKG #Cardiology ... #Digitalis #ECG
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
associated combine some SVT ... automaticity) with slow ventricular ... rate (↓ AV conduction ... digitalis #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology
Ventricular Tachycardia in Wide Complex Tachycardia - Telemetry Diagnosis
 • Lead V1 - LBBB Criteria
 •
Ventricular Tachycardia ... RWPT) • Lead aVR ... #WCT #VTach #diagnosis ... #cardiology #ekg ... #ecg #telemetry
Vereckie Algorithm - Lead aVR - Ventricular Tachycardia - Telemetry Diagnosis
WCT is VT IF:
 • Initial
- Lead aVR - Ventricular ... Diagnosis WCT is VT ... #WCT #VTach #avr ... #diagnosis #cardiology ... #ekg #ecg #telemetry
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... #AVR #leadAVR #ecg ... #electrocardiogram ... #diagnosis #ekg
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
is positive in aVR ... - a sinus and ventricular ... #VT #VTach #SVT ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology