Catalog

Potassium-aggravated myotonia

No MMS code

Link to WHO Definition

Potassium-aggravated myotonia – http://id.who.int/icd/entity/1707250468

Potassium-aggravated myotonia is a muscular channelopathy presenting with a pure myotonia dramatically aggravated by potassium ingestion, with variable cold sensitivity and no episodic weakness. This group includes three forms: myotonia fluctuans, myotonia permanens, and acetazolamide-responsive myotonia.