Focal dystonia

Introduction Dystolic syndrome, referred to as dystonia, is an inconsistency or excessive contraction of the agonist muscles and antagonistic muscle contractions, causing dyskinesia syndrome characterized by abnormal muscle movements and postures, and is involuntary. And continuous features. Although it is called dystonia syndrome, the changes in muscle tone are not noticeable, but the abnormal posture posture and involuntary transformation action are noticeable. Dystonia can affect the normal range of motion, extent, speed, and muscle stiffness of the affected limb.

Cause

The cause of idiopathic dystonia is unknown, which may be related to heredity. Secondary dystonia is often a symptom of lesions such as basal ganglia, thalamus and brainstem reticular formation.

an examination

Related inspection

Muscle tone examination electromyogram

Among the family members of autosomal dominant inheritance, there may be multiple symptoms of the same disease member or multiple combinations, such as eyelids, torticollis, writing sputum, scoliosis, etc., and more from the upper limbs, It can be limited to the onset of the disease for a long time, and even if it progresses into a systemic type, the symptoms are mild. At this time, it is clear that the muscle tension and chromosomes are checked.

Differential diagnosis

Dystonia syndrome should be distinguished from myoclonus and snoring. The muscle tension of this disease is a centrally intense involuntary muscle contraction, which is different from Parkinson's disease.

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