A slow orthostatic tremor of primary origin

Orthostatic tremor (OT) is a high-frequency tremor (13-18 Hz) present in the legs when standing. Underlying disease is found in one-third of OT patients. We describe an 86-year-old man with progressive shaking of the legs while standing, which disappears immediately after sitting down or while walki...

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Bibliographic Details
Published in:Tremor and other hyperkinetic movements (New York, N.Y.) N.Y.), 2013-01, Vol.3, p.3
Main Authors: Coffeng, Sophie M, Hoff, Jorrit I, Tromp, Selma C
Format: Article
Language:English
Subjects:
Case Reports
Electromyography
Legs
Multiple sclerosis
Parkinson's disease
Patients
Posture
Registration
Restless legs syndrome
Tremor (Muscular contraction)
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Description
Summary:Orthostatic tremor (OT) is a high-frequency tremor (13-18 Hz) present in the legs when standing. Underlying disease is found in one-third of OT patients. We describe an 86-year-old man with progressive shaking of the legs while standing, which disappears immediately after sitting down or while walking. Polymyography confirmed a tremor of the legs (10-11 Hz) while standing. Magnetic resonance imaging (MRI) and neurologic examination showed no underlying disease. Primary OT can appear at a lower frequency of 10-11 Hz.
ISSN:2160-8288
2160-8288
DOI:10.5334/tohm.144