With left bundle branch block there is a delay or obstruction along the electrical pathway to your heart’s left ventricle. This is the lower-left portion of your heart. If the electrical impulse ...

This is called a bundle branch block. The name comes from the wire-like branch that carries these impulses and splits into left and right bundles. There are two types: Right bundle branch block ...

Left bundle branch block (LBBB) is a type heart block. It results from a problem with the electrical conduction system that enables the heart to beat. It may cause no symptoms, but an ...

A left bundle branch block occurs when electrical conduction is unable to course through the left bundle and instead travels down the right bundle. The electrical impulse then reaches the left ...

If the QRS complex is widened and downwardly deflected in lead V1, a left bundle branch block is present. If the QRS complex is widened and upwardly deflected in lead V1, a right bundle branch ...