How serious is left anterior hemiblock?
How serious is left anterior hemiblock? Left anterior fascicular block (LAFB) is considered a failure or delay of conduction in the left anterior fascicle. Despite the fact that little is known about the long-term prognosis associated with LAFB, it has generally been thought of as a benign electrocardiographic (ECG) finding. What is the significance of left anterior fascicular block? A cardiac condition called left anterior fascicular block (LAFB), in which scarring occurs in a section of the left ventricle, may not be as benign as currently thought and could increase the likelihood of heart failure, sudden cardiac death or atrial...