Long QT Syndrome 5

**Semantic type:** Disease or Syndrome

**Definition:** An autosomal dominant condition caused by mutation(s) in the KCNE1 gene, encoding potassium voltage-gated channel subfamily E member 1. It is characterized by a prolonged QT interval that may result in torsade de pointes, ventricular fibrillation and/or sudden cardiac death.

**Synonyms:** - LQT5