Clinical practice. Long-QT syndrome.

Adolescent Adrenergic beta-Antagonists/therapeutic use Child Death, Sudden, Cardiac/etiology Defibrillators, Implantable Diagnosis, Differential Electrocardiography Female Genetic Carrier Screening Genetic Testing Heterozygote Humans Long QT Syndrome/complications,diagnosis,genetics,therapy Mutation Pedigree Practice Guidelines as Topic Syncope/etiology

Adrenergic beta-Antagonists