Physiologic and Pathologic Tremors

Diagnosis, Mechanism, and Management

  1. JOSEPH JANKOVIC, M.D.; and
  2. FAHN STANLEY, M.D.
  1. Houston, Texas; and New York, New York

    Abstract

    Tremor, the commonest of the involuntary movement disorders, is characterized by rhythmical oscillatory movement that occurs at rest or during activity; all tremors cease during sleep. Physiologic tremor is present in normal persons and is asymptomatic. Tremor is considered pathologic when it impairs a patient's function. Clinically, the pathologic tremors may be classified as accentuated physiologic, parkinsonian, essential, and cerebellar. We review here the basic mechanisms and clinical features of various tremors and emphasize recent advances in pathophysiology and management.

    Article and Author Information

    • ▸From the Department of Neurology, Baylor College of Medicine, Houston, Texas; and the Department of Neurology, Columbia University College of Physicians and Surgeons, The Neurological Institute, New York, New York.

    • ▸Requests for reprints should be addressed to Joseph Jankovic, M.D.; Department of Neurology, Baylor College of Medicine, Texas Medical Center; Houston, TX 77030.

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    1. Ann Intern Med September 1, 1980 vol. 93 no. 3 460-465
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