Bell's palsy CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

• Electrodiagnostic studies (EMG, or motor nerve conduction study) and Imaging (CT, or MRI) are needed if the physical signs are atypical, there is slow progression beyond three weeks, or if there is no improvement at six months.
• There is no test that provides prognostic information early enough to be used for guiding treatment or prognosis.

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