<unk>  <unk>  is an abnormal condition of the<unk>  ventricle of the heart, related to, but distinguished from,<unk>  bundle branch block (LBBB). It is caused by only the<unk>  half of the<unk>  bundle branch being defective. It is manifested on the ECG by<unk>  axis deviation. It is much more common than<unk>  posterior fascicular block.
Left anterior fascicular block
Left posterior fascicular block
Bundle branch block
Intraventricular block
Left atrial appendage occlusion
Pre-excitation syndrome
Left bundle branch block
Sinoatrial arrest