1. 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: /j.amjmed
Copyright © 2015 Elsevier Inc. Terms and Conditions

2. 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  , e37-e38DOI: ( /j.amjmed )
Copyright © 2015 Elsevier Inc. Terms and Conditions