Andersen-tawil syndrome

Andersen-Tawil Syndrome is a genetic condition that causes periods of muscle weakness (periodic paralysis), changes in heart rhythm (arrhythmia), and intellectual and developmental abnormalities. Other features can include low-set ears, widely spaced eyes, small mandible, fifth-digit clinodactyly, syndactyly, short stature, and scoliosis.

Speak to a genetic counselor or a medical geneticist if you have questions about Andersen-Tawil syndrome.