An example of a sodium channel disorder among the following is:: (A) Paramyotonia Congenita, (B) Andersen-Tawil Syndrome, (C) Thomsen's disease, (D) Becker's disease
Answer is A. Potassium Channel Disorders: Andersen-Tawil Syndrome Sodium Channel Disorders of Muscle: Hyperkalemic Periodic Paralysis, Paramyotonia Congenita Chloride Channel Disorders: Thomsen's disease and Becker's disease Ref: Harrisons Principles of Internal Medicine, 18th Edition, Page 3506