Phenotypes of Overdiagnosed Long QT Syndrome.

Abstract excerpt

BACKGROUND: Long QT syndrome (LQTS) predisposes individuals to arrhythmic syncope or seizure, sudden cardiac arrest, or sudden cardiac death (SCD). Increased physician and public awareness of LQTS-associated warning signs and an increase in electrocardiographic screening programs may contribute to overdiagnosis of LQTS. OBJECTIVES: This study sought to identify the diagnostic miscues underlying the continued...

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