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Orthostatic tremor associated with voice tremor
1Department of Neurology, Juntendo University School of Medicine, Tokyo, Japan.
European Neurology
|January 1, 1992
Summary
A 67-year-old female presented with orthostatic and voice tremor. The tremors, diagnosed as a forme fruste of essential tremor, suggested a shared origin, with propranolol showing some benefit for voice tremor.
Area of Science:
- Neurology
- Movement Disorders
Background:
- Essential tremor is a common movement disorder.
- Orthostatic tremor and voice tremor are distinct tremor types.
- Understanding tremor origins is crucial for diagnosis and treatment.
Observation:
- A 67-year-old female experienced both orthostatic tremor and voice tremor.
- Orthostatic tremor affected lower extremities at 4.4-4.8 Hz.
- Voice tremor occurred at 4.8-8.8 Hz.
Findings:
- The similar frequency ranges of orthostatic and voice tremor suggested a common tremor-generating mechanism.
- The condition was diagnosed as a forme fruste of essential tremor.
- Medications like clonazepam and levodopa were ineffective, but propranolol offered partial relief for voice tremor.
Implications:
- This case highlights the potential for overlapping tremor characteristics.
- It suggests a possible unified pathophysiology for certain tremor presentations.
- Further research into tremor mechanisms may improve diagnostic accuracy and therapeutic strategies for movement disorders.