Right Bundle Branch Block by ECG Finding

**Semantic type:** Finding

**Definition:** An electrocardiographic finding of a wide QRS complex with evidence of delayed conduction to the right ventricle, manifested by a widened initial portion of the QRS in V1 and V2, a widened S wave in V5, V6, I and aVL, and with QRS duration greater than or equal to 120 ms. An RsR' complex is typically present in leads V1 and V2. (CDISC)

**Synonyms:** - Complete RBBB - RBBB - RBBB - RIGHT BUNDLE BRANCH BLOCK - Right Bundle Branch Block - Right Bundle Branch Block by EKG Finding - Right bundle branch block - Right bundle-branch block