Patients often complain of abnormal head posture or movements, tremor, or myoclonus.
Voluntary action often triggers or worsens dystonia.
Dystonia improv...
This is the treatment of choice for focal and segmental dystonia....
An isolated head tremor should raise suspicion for cervical dystonia.
Characteristic signs of dystonia include overflow, dystonic tremor, null points, mirror movements, sensory tricks, ...
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