Preferred Label : Bifascicular Block by ECG Finding;
NCIt synonyms : Bifascicular Block by EKG Finding;
NCIt related terms : Bifascicular block;
NCIt definition : An electrocardiographic finding comprising right bundle branch block and left anterior
fascicular block, or right bundle branch block and left posterior fascicular block.
Defects occurring in two of the three divisions of the conduction system of the heart
are considered bifascicular blocks. Technically left bundle branch block may be considered
a bifascicular block.;
Alternative definition : CDISC: An electrocardiographic finding comprising right bundle branch block and left
anterior fascicular block, or right bundle branch block and left posterior fascicular
block. Defects occurring in two of the three divisions of the conduction system of
the heart are considered bifascicular blocks. Technically left bundle branch block
may be considered a bifascicular block. (NCI);