Right bundle branch block
Updated: 2017-06-13
Overview
A right bundle branch block is a delay or blockage of electrical impulses to the right side of the heart.
Symptoms
Most people don't have symptoms. If they occur, they include fainting or a slow heart rate.
Treatments
If there's an underlying condition, such as heart disease, that condition needs treatment. A pacemaker also can relieve symptoms if they occur.