Free online searchable
2009 ICD-9-CM
Diseases and Injuries
>> Tabular
Index
>> Alphabetic
Index
Procedures
>> Tabular
Index
>>
Alphabetic Index
Appendices
>> Drugs
/ Chemicals
>> External Causes
Other Resources
>> HCPCS Alpha
>> Medical
Dictionary
>> Drug Directory
Tips
Contribute
| Myotonic Disorders Myopathies, Myotonic | Myotonia Fluctuans | Myotonic Myopathy, Proximal | Paramyotonia Congenita | Eulenburg Disease | Eulenburg' | s Disease | PROMM (Proximal Myotonic Myopathy) | Proximal Myotonic Myopathy | Congenita, Paramyotonia Diseases characterized by MYOTONIA, which may be inherited or acquired. Myotonia may be restricted to certain muscles (e.g., intrinsic hand muscles) or occur as a generalized condition. These disorders may be associated with abnormal muscle SODIUM CHANNEL and CHLORIDE CHANNELS. MYOTONIC DYSTROPHY and MYOTONIA CONGENITA represent two relatively common forms of this disorder. Proximal myotonic myopathy often presents with myotonia and muscle pain in early adulthood and later in life thigh muscle weakness and cataracts develop. (From Adams et al., Principles of Neurology, 6th ed, p1392) | |
| The National Library of Medicine (terms and conditions) | |