Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 2 of 2 for Myotonia congenital
  1. ... underlie the muscle stiffness characteristic of potassium-aggravated myotonia. More About This Health Condition MedlinePlus Genetics provides information about Congenital myasthenic syndrome More About This Health Condition Na( ...
  2. ... with this disorder often have prolonged muscle contractions (myotonia) and are not able to relax certain muscles ... their cells. People born with the more severe, congenital form of myotonic dystrophy type 1 tend to ...