Vt Vs Svt With Aberrancy Criteria. Is there morphology criteria for vt present in precordial leads v1 v2 and v6. The most important distinction is whether the rhythm is ventricular vt or supraventricular svt with aberrancy as this will significantly influence how you manage the patient.
The term svt with aberrancy tends to throw many providers off so let s start by defining svt using the 2015 acc aha hrs guidelines as reference. Ventricular tachycardia vt supraventricular tachycardia svt with aberrant conduction due to bundle branch block. This usually means svt with a bundle branch block.
Svt with aberrant conduction due to the wolff parkinson white syndrome.
Let s remove hyperk and na channel block as it was not either of these. The brugada criteria algorithm involves 4 sequential questions. This usually means svt with a bundle branch block. Brugada et al prospectively analyzed 384 patients with vt and 170 patients with svt with aberrant conduction to see if it was possible to come up with a simple criteria to help differentiate between the two with high sensitivity and specificity.
