Semin Neurol 2015; 35(04): 360-368
DOI: 10.1055/s-0035-1558979
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Myotonic Disorders and Channelopathies

Colin Quinn
1   Department of Neurology, University of Pennsylvania, Philadelphia, Pennsylvania
Mohammad Kian Salajegheh
2   Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
› Author Affiliations
Further Information

Publication History

Publication Date:
06 October 2015 (online)


Myotonic dystrophies and channelopathies are rare but important causes of muscle diseases which may present with myotonia, episodic attacks of weakness, fixed muscle weakness, and atrophy or their combination. Here, the authors provide an overview of these disorders and describe their clinical and pathophysiological features, diagnostic methods, and management.