Svt With Lbbb Vs Vt. Ventricular tachycardia vt supraventricular tachycardia svt with aberrant conduction due to bundle branch block. Dominant s wave in v1 or v2.
Additionally we know that many patients have underlying bundle branch block including bifascicular block at baseline. Increased automaticity and reentry. Yes vt sensitivity 0 987 specificity 0 965 no svt with aberrant conduction sensitivity 0 965 specificity 0 987 determine if you have a lbbb morphology dominant s wave in v1 or a rbbb morphology dominant r wave in v1 then use the appropriate section below to help differentiate.
This is a life threatening rhythm and must be addressed promptly.
There are three main diagnostic possibilities. There are three main diagnostic possibilities. It might degenerate to ventricular fibrillation and death. You will see that the morphology is quite different to the ecg above.
