A Late Diagnosis of Andersen-Tawil Syndrome in Teenage Siblings.

Abstract excerpt

BACKGROUND: Andersen-Tawil syndrome (ATS) is a rare autosomal dominant disorder characterized by a classic symptom triad, including periodic paralysis, ventricular arrhythmias with associated prolonged QT interval and U waves, and dysmorphic facial and skeletal features. Pathogenic variants of the KCNJ2 gene are linked to ATS. METHODS: We present two siblings with the same pathogenic mutation and facial...

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