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Orthostatic tremor: delayed onset following head trauma
S S Sanitate1, J R Meerschaert
1William Beaumont Hospital, Royal Oak, MI.
Archives of Physical Medicine and Rehabilitation
|August 1, 1993
Summary
Orthostatic tremor causes leg shaking and cramping when standing, often due to head trauma. Early recognition of this tremor disorder is key for effective treatment.
Area of Science:
- Neurology
- Movement Disorders
Background:
- Orthostatic tremor is a high-frequency tremor (14-16Hz) of uncertain cause.
- It manifests as leg shaking and cramping upon standing, relieved by movement.
Observation:
- A case study of a 73-year-old woman with orthostatic tremor is presented.
- Her condition followed a history of head trauma.
Findings:
- Orthostatic tremor is elicited by isometric contraction within seconds of standing.
- Electromyographic findings are characteristic of the disorder.
Implications:
- Recognizing the clinical history and electromyographic results is crucial.
- Appropriate diagnosis can lead to effective management of this incapacitating condition.