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Myotonia fluctuans

What is Myotonia fluctuans?

Myotonia fluctuans (MF) is a form of potassium-aggravated myotonia (PAM, see this term) which is cold insensitive, dramatically fluctuating and profoundly worsened by potassium ingestion.

Other condition names

  • Exercise-induced delayed-onset myotonia
  • Fluctuating myotonia

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.