Heart Electrical Conduction Abnormality Believed Not To Be Serious May Pose Cardiovascular Risks

New research indicates that a finding on a routine electrocardiogram that signals a disorder of the electrical conducting system in one part of the heart and previously believed to be benign is associated with an increased risk for atrial fibrillation, the implantation of a pacemaker or death, according to a study in the June 24 issue of JAMA.