A Case of Slow Orthostatic Tremor, Responsive to Intravenous Immunoglobulin
Department of Neurology, University of California, San Francisco, CA, USA. .Movement Disorders (Impact Factor: 5.63). 07/2011; 26(8):1563-5. DOI: 10.1002/mds.23610
Parkinsonism & Related Disorders 11/2011; 18(5):680-1. DOI:10.1016/j.parkreldis.2011.11.016 · 4.13 Impact Factor
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ABSTRACT: Orthostatic tremor is a rare condition, though its exact prevalence is unknown, which is clinically characterized by a feeling of unsteadiness or being about to fall on standing and which disappears on walking, sitting, or lying down. It is generally accepted that classic orthostatic tremor manifests with a high-frequency tremor (>13 Hz) of the legs when standing. However, a number of patients initially reported as orthostatic tremor did not actually have such electrophysiological features. It is our experience that there is a clinical spectrum of different conditions presenting as shaking on standing, and this highlights the importance of the electrophysiology to aid the differential diagnosis of these disorders. Here, we provide a critical review of the clinical spectrum of shaking on standing, along with demonstrative electrophysiological recordings of some of these conditions.09/2014; 1(3). DOI:10.1002/mdc3.12053
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