Electrophysiologic Evaluation of the Facial Nerve

Turgut ADATEPEa, Adile ÖZKANb
aİstanbul Training and Research Hospital, EMG Laboratory, İstanbul, Türkiye
bTürkiye Hospital, Clinic of Neurology, İstanbul, Türkiye

Adatepe T, Özkan A. Electrophysiologic evaluation of the facial nerve. In: Sanus GZ, Batıoğlu Karaaltın A, eds. Surgical Management of Facial Nerve Paralysis. 1st ed. Ankara: Türkiye Klinikleri; 2022. p.37-46.

Article Language: EN

ABSTRACT
The most valuable in the evaluation of the facial nerve is the anamnesis and clinical examination. Electrophysiological examinations are a supportive diagnosis method. Electrophysiological tests used for facial nerve are Nerve Stimulation Test, Maximal Stimulation Test, Electroneurography, Electromyography, Blink Reflex, and Transcranial Magnetic Stimulation. There are two main purposes in performing electrophysiological tests, rather than the normal-pathological distinction. The first is the localization of the lesion, and the second is to determine the type of lesion. After these two are realized, questions about regeneration-degeneration and prognosis can be answered clearly.

Keywords: Electrophysiology; electroneurography; electromyography; blink reflex

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