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Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Ventricular Tachycardia ... or Not Ventricular ... #Aberrancy #Distinguishing ... Criteria #Cardiology #ECG ... #EKG #Electrocardiogram
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... in narrow complex ... tachycardias - ... from SVT with aberrancy ... #ECG #Lead #AVR
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (3) SVT w/ abberancy ... - N B Afib + WPW ... block - ventricular ... #electrocardiogram
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Diagnosis Framework Narrow-Complex ... Atrial Flutter, AVRT ... Regular-Complex: • Ventricular ... AVRT, SVT w/aberrancy ... cardiology #wide #narrow
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• Premature ventricular ... (>100 bpm) - Narrow ... AVNRT • AVRT ... WPW) - Narrow ... interval) • AFib
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Diagnosis Algorithm Narrow ... • AV reentrant ... Narrow Complex ... Regular SVT with aberrancy ... Irregular SVT with aberrancy
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Narrow complex ... Differentiating ventricular ... #AVR #leadAVR #ecg ... #electrocardiogram
Wide Complex Tachycardia - ECG Definition and Causes
 • Wide Complex Tachycardia (WCT) is a cardiac
WQRST Causes: • Ventricular ... ) - with aberrancy ... imbalance • Ventricular ... pacing • Electrocardiogram ... #ecg #electrocardiogram
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
of Ventricular ... AV indicates atrioventricular ... #Ventricular #Tachycardia ... #VTach #ECG #EKG ... #Electrocardiogram
Various wide complex tachycardia (WCT) differentiation algorithmic designs and algorithms.
The most commonly utilized approaches to differentiate
Various wide complex tachycardia ... Brugada,2 Vereckei aVR ... Differentiation #Ventricular ... #Tachycardia #VTach ... #ECG #EKG #Electrocardiogram