The Andersen-Tawil syndrome is rare genetic disorder. It is also known as the Andersen syndrome or long QT syndrome 7. It is a rare genetic disorder characterized by a distinctive pattern of features such as episodes of muscle weakness, differences in facial and body structure, and certain kinds of heart rhythm disturbances. According to the Genetic and Rare Diseases Information Center, approximately 60% of cases of the syndrome are caused by mutations in the KCNJ2 gene.
The Andersen-Tawil syndrome is rare genetic disorder. It is also known as the Andersen syndrome or long QT syndrome 7. It is a rare genetic disorder characterized by a distinctive pattern of features such as episodes of muscle weakness, differences in facial and body structure, and certain kinds of heart rhythm disturbances. According to the Genetic and Rare Diseases Information Center, approximately 60% of cases of the syndrome are caused by mutations in the KCNJ2 gene.