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B-PO04-191 ASSOCIATION BETWEEN SHORTENED QT INTERVAL AND BRADYCARDIA WITH THE D801N VARIANT OF ATP1A3 IN PATIENTS WITH ALTERNATING HEMIPLEGIA OF CHILDHOOD

      Alternating hemiplegia of childhood (AHC) results from pathogenic variation of ATP1A3 which encodes the sodium-potassium ATPase 3. While AHC classically causes neurologic dysfunction, recent literature suggests that some of these patients may also experience alterations in cardiac repolarization and sudden unexplained death in epilepsy.
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