(The SANS Institute, Bethesda, MD, www.sans.org) A membership organization devoted to computer security founded in 1989.
A bundle branch block is a defect of the bundle branches or fascicles in the electrical conduction system of the heart. bundle branch block is a defect of the bundle branches or fascicles in the electrical conduction system of the heart.
an abnormal cardiac rhythm. one cause can be from heart block- the failure of any part of the conduction system to transmit signals, usually as a result of disease and degeneration of conduction system fibers. for ex. bundle branch block is due to damage to one or both bundle branches.