A form of long QT syndrome that is without congenital deafness. It is caused by mutation of the KCNQ1 gene which encodes a protein in the VOLTAGE-GATED POTASSIUM CHANNEL.

Synonyms: Romano-Ward Syndrome Long QT Syndrome 1 Romano Ward Syndrome Ward-Romano Syndrome Long QT Syndrome Type 1 Ward Romano Syndrome Syndrome, Ward-Romano Syndrome, Romano-Ward Ventricular Fibrillation with Prolonged QT Interval