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March 1967

Electrodiagnostic Studies in Facial Paralysis

Author Affiliations

From the Department of Otolaryngology, Baylor University College of Medicine, Houston.

Arch Otolaryngol. 1967;85(3):259-264. doi:10.1001/archotol.1967.00760040261005

ELECTRONIC instruments have become well accepted tools in the diagnosis of medical illness. For years electrocardiographic and electroencephalographic techniques have proved extremely helpful in the evaluation of cardiac and central nervous system function. More recently, electrodiagnostic studies of peripheral motor nerve function have gained widespread acceptance. It is the purpose of this paper to review the current electrodiagnostic methods that are useful in evaluating patients with facial paralysis, to indicate what some of the correlates are with respect to the patient's disease process and the electrodiagnostic findings, and to present an analysis of 24 patients.

Electrodiagnostic Methods  At present, the two electrodiagnostic methods used to assess facial nerve function are nerve stimulation and electromyography. Each of these methods provides valuable information when used in the proper manner and at the proper time (Fig 1).Nerve stimulation techniques are of three types: (1) nerve excitability tests, (2) conduction latency measurements, and

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