Genetic Testing for Long QT Syndrome

Long QT syndrome can be a silent threat. Although not all patients with congenital long QT syndrome develop symptoms, there is potential for dangerous arrhythmia that can cause sudden cardiac death. Can and should genetic testing guide clinicians in diagnosing and treating this condition? Dr. Dan Roden, professor of medicine and pharmacology and assistant vice-chancellor for personalized medicine at Vanderbilt University School of Medicine, says the concept of personalized medicine goes beyond genetics; it is also about meeting a patient's goals and individual needs. How can genetic testing help physicians decide which medical therapy might be most appropriate for each patient? Dr. Janet Wright hosts.