Tell us about your symptoms and treatment experience. Take our survey here.

Andersen-Tawil syndrome

What is Andersen-Tawil syndrome?

A rare disorder characterized by periodic muscle paralysis, prolongation of the QT interval with a variety of ventricular arrhythmias (leading to predisposition to sudden cardiac death) and characteristic physical features: short stature, scoliosis, low-set ears, hypertelorism, broad nasal root, micrognathia, clinodactyly, brachydactyly and syndactyly.

Other condition names

  • Andersen syndrome
  • LQT7
  • Long QT syndrome type 7

Inheritance type

Autosomal dominant

Age of Onset

  • Childhood
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on "https://www.orphadata.com". Data version 1.3.16 / 4.1.7.