Right Bundle Branch Block

A right bundle branc block is defined as having a QRS duration > 0.12 seconds (120 msec) with an rsR’ or RsR’ complex in the right precordial leads plus a slurring of the R’ in these leads in addition to an S wave in lead I.

 

See examples of a right bundle branch block

EKG 11, EKG 28, EKG 60, EKG 72, EKG 82