Sudden Cardiac Death, Mitral Valve Prolapse, and Long QT Syndrome Emil Missov, MD, PhD, Rebecca Cogswell, MD The American Journal of Medicine Volume 128, Issue 10, Pages e37-e38 (October 2015) DOI: 10.1016/j.amjmed.2015.05.030 Copyright © 2015 Elsevier Inc. Terms and Conditions
Figure The electrocardiogram shows normal sinus rhythm with a ventricular rate of 86 beats per minute. The QT interval is 536 ms. The corrected QT interval is extremely prolonged and measures 641 ms. A corrected QT interval exceeding 450 ms in men and 470 ms in women is considered abnormal. The American Journal of Medicine 2015 128, e37-e38DOI: (10.1016/j.amjmed.2015.05.030) Copyright © 2015 Elsevier Inc. Terms and Conditions