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



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