35 results
Ventricular Fibrillation
• Completely disorganized 
• Immediate cessation of cardiac output, no associated pulse 
• No discernible
Ventricular Fibrillation ... • Completely disorganized ... discernible P waves, QRS complexes ... #Fibrillation # ... VFib #Diagnosis #Cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Narrow Complex ... tachycardia Narrow Complex ... conduction Wide-Complex ... Pacemaker-facilitated Wide-Complex ... aberrancy Wide-Complex
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
unusually slow ventricular ... with Complete Heart ... Bidirectional Ventricular ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
VT: - No RS complexes ... - Very broad complexes ... - a sinus and ventricular ... produce a hybrid complex ... #diagnosis #electrocardiogram
Various wide complex tachycardia (WCT) differentiation algorithmic designs and algorithms.
The most commonly utilized approaches to differentiate
Various wide complex ... Differentiation #Ventricular ... VTach #ECG #EKG #Electrocardiogram ... #Diagnosis #Cardiology ... #Algorithms
Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Discriminating Ventricular ... Article: Wide Complex ... Distinguishing #Criteria #Cardiology ... #ECG #EKG #Electrocardiogram ... Comparison #Brugada #Algorithm
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Framework Narrow-Complex ... Irregular: Atrial Fibrillation ... block) Regular-Complex ... : • Ventricular ... Differential #Diagnosis #cardiology
Arrhythmogenic Right Ventricular Dysplasia (ARVD) - EKG Characteristics
Epsilon Wave - Highly Specific, Sensitivity ~30%
Other manifestations include:
Arrhythmogenic Right Ventricular ... VI-V3 • RBBB (complete ... presentation may be completely ... ARVD #EKG #ECG #electrocardiogram ... #cardiology
66 yo with syncope - Ventricular Tachycardia

This ECG shows a wide-complex tachycardia in a right bundle
with syncope - Ventricular ... ECG shows a wide-complex ... morphology of the QRS complex ... There is a RS complex ... #ECG #EKG #Electrocardiogram
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
dissociation (P and QRS complexes ... beats (hybrid complex ... sinus beat and a ventricular ... negative (QS) complexes ... Brugada algorithm