label: Incomplete Left Bundle Branch Block by ECG Finding
label_lc: incomplete left bundle branch block by ecg finding
description: "An electrocardiographic finding of a wide QRS complex with evidence of delayed conduction to the left ventricle, manifest as a widened initial portion of the QRS complex in leads V5, V6, I and aVL and with QRS duration less than 120 ms. (CDISC)"