Broad Complex Tachycardia

Question 1

VT vs SVT+aberrancy (VT is more likely if)

Answer 1

1. No typical RBBB/LBBB pattern
2. Extreme axis deviation
3. Very broad complexes > 160 ms
4. AV dissociation
5. Positive or negative concordance throughout the precordial leads
6. RSr complexes with taller left rabbit ear
7. Fusion beats & Capture beats
8. Josephson sign
9. Brugada sign