myotonic$51422$ - определение. Что такое myotonic$51422$
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Что (кто) такое myotonic$51422$ - определение

PROLONGED CONTRACTION OF MUSCLES
Myotonic disorders; Myotonic; Myatonia; Amyotonia; Thomsen Syndrome; Mytonia

myotonic dystrophy         
  • Histopathology of DM2. Muscle biopsy showing mild myopathic changes and grouping of atrophic fast fibres (type 2, highlighted). Immunohistochemical staining for type-1 ("slow") myosin.
  • 40-year-old with myotonic dystrophy who presented with muscle wasting, bilateral cataracts, and complete [[heart block]]
LONG TERM GENETIC DISORDER THAT AFFECTS MUSCLE FUNCTION
Dystrophia myotonica; Curschmann-Batten-Steinert syndrome; Steinert's disease; Proximal myotonic myopathy; Congenital myotonic dystrophy; PROMM; CMyD; Curschmann-Steinert disease; Myotonic muscular dystrophy; Myotonia atrophica; Curschmann–Batten–Steinert syndrome
¦ noun Medicine a form of muscular dystrophy accompanied by myotonia.
Myotonic dystrophy         
  • Histopathology of DM2. Muscle biopsy showing mild myopathic changes and grouping of atrophic fast fibres (type 2, highlighted). Immunohistochemical staining for type-1 ("slow") myosin.
  • 40-year-old with myotonic dystrophy who presented with muscle wasting, bilateral cataracts, and complete [[heart block]]
LONG TERM GENETIC DISORDER THAT AFFECTS MUSCLE FUNCTION
Dystrophia myotonica; Curschmann-Batten-Steinert syndrome; Steinert's disease; Proximal myotonic myopathy; Congenital myotonic dystrophy; PROMM; CMyD; Curschmann-Steinert disease; Myotonic muscular dystrophy; Myotonia atrophica; Curschmann–Batten–Steinert syndrome
Myotonic dystrophy (DM) is a type of muscular dystrophy, a group of genetic disorders that cause progressive muscle loss and weakness. In DM, muscles are often unable to relax after contraction.
myotonia         
[?m???(?)'t??n??]
¦ noun Medicine inability to relax voluntary muscle after vigorous effort.
Derivatives
myotonic adjective
Origin
C19: from myo- + Gk tonos 'tone'.

Википедия

Myotonia

Myotonia is a symptom of a small handful of certain neuromuscular disorders characterized by delayed relaxation (prolonged contraction) of the skeletal muscles after voluntary contraction or electrical stimulation.

Myotonia is the defining symptom of many channelopathies such as myotonia congenita, paramyotonia congenita and myotonic dystrophy.

Generally, repeated contraction of the muscle can alleviate the myotonia and relax the muscles thus improving the condition, however, this is not the case in paramyotonia congenita. This phenomenon is known as the "warm-up" reflex and is not to be confused with warming up before exercise, though they may appear similar. Individuals with the disorder may have trouble releasing their grip on objects or may have difficulty rising from a sitting position and a stiff, awkward gait.

Myotonia can affect all muscle groups; however, the pattern of affected muscles can vary depending on the specific disorder involved.

People with disorders involving myotonia can have life-threatening reactions to certain anaesthetics called anaesthesia-induced rhabdomyolysis.