We see this all the time: A routine ECG shows a left anterior fascicular block (also known as LAFB ... The LAFB itself does not cause any symptoms. If action potentials do not go through the ...

But, it seldom causes any symptoms. In people who otherwise have no heart disease, the presence of left anterior fascicular block (also called left anterior hemiblock) does not increase the risk ...

A 46-year-old woman with type 1 myotonic dystrophy (DM1) presented to the emergency department with dyspnea and palpitations.

But, it seldom causes any symptoms. In people who otherwise have no heart disease, the presence of left anterior fascicular block (also called left anterior hemiblock) does not increase the risk ...

But, it seldom causes any symptoms. In people who otherwise have no heart disease, the presence of left anterior fascicular block (also called left anterior hemiblock) does not increase the risk ...

But, it seldom causes any symptoms. In people who otherwise have no heart disease, the presence of left anterior fascicular block (also called left anterior hemiblock) does not increase the risk ...

San Francisco, CA(updated) - Left anterior fascicular block (LAFB), an electrocardiographic abnormality previously considered benign, is associated with a significantly increased long-term risk of ...

Gregory Marcus, MD 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 ...

A left anterior fascicular block (LAFB) also known as a left anterior hemiblock (LAHB) occurs when the anterior fascicle of the left bundle branch is no longer able to conduct action potentials.