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Primary orthostatic tremor: analysis of three cases
Eren Gozke1, Ozgul Ore, Zafer Ozyurt
1Department of Neurology, PTT Teaching and Research Hospital, Istanbul, Turkey. erengozke@superonline.com
Electromyography and Clinical Neurophysiology
|November 24, 2004
Summary
Primary orthostatic tremor (POT) causes unsteadiness and quivering when standing, which improves when sitting or walking. Electromyography confirms the characteristic 13-18 Hz tremor frequency in these three reported cases.
Area of Science:
- Neurology
- Movement Disorders
Background:
- Primary orthostatic tremor (POT) is a rare neurological condition.
- It primarily affects the lower extremities, causing unsteadiness and tremor during standing.
Observation:
- Symptoms of POT, including unsteadiness and quivering, are relieved by sitting or reclining.
- Tremor is less pronounced when leaning or walking.
- Electromyography reveals characteristic rhythmic tremor activity at 13-18 Hz.
Findings:
- This report details three cases with typical clinical presentations of POT.
- Electrophysiological findings in these cases align with established POT criteria.
Implications:
- These cases contribute to understanding the clinical and electrophysiological profile of Primary Orthostatic Tremor.
- Further research may elucidate POT's underlying mechanisms and therapeutic targets.