The diagnosis is normal sinus rhythm, atrial bigeminy, first-degree atrioventricular (AV) block (prolonged AV conduction), and right bundle branch block (RBBB). The rhythm is slightly irregular, with ...

Researchers at Mayo Clinic suggest that the established "normal" ranges for evaluating electrocardiograms for persons over 80 years old should be revisited. After analyzing readings from more than 700 ...

1 Department of Family Medicine, University of Washington, Seattle, Washington, USA 2 Division of Ciology, University of Washington, Seattle, Washington, USA 3 Division of Ciology, Seattle Children's ...