QRS duration of > 120 milliseconds rsR' "bunny ear" pattern in precordial ... is normal in leads V1 - V3 in the presence of a RBBB, this technically myocardial ischemia can not be easily ...

The QRS morphology criteria to diagnose VT with a RBBB include the following: A monophasic R or biphasic qR complex in V1 An RSR’ or “bunny ear” pattern present in V1 or V2, with the R peak ...