Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia 1. aVR: Is the initial deflection in aVR positive? If yes, then VT. 2. Concordance: Is there concordance (monophasic with same polarity) in all of the precordial leads? If yes, then VT. 3. AV Dissociation: Is there evidence of AV dissociation (fusion or capture beats)? If yes, then VT. 4. Bundle-branch morphology: Is the QRS morphology in V1 and V6 consistent with either LBBB or RBBB? If no, then VT. - Dr. Tom Fadial https://twitter.com/thame #WideComplex #Tachycardia #Evaluation #Interpretation #ECG #EKG #Electrocardiogram #Diagnosis #Cardiology