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Bell's Palsy

Screening and Tests for Bell's Palsy

Diagnosing Bell’s palsy can be as simple as looking at a patient’s face, asking him or her to move the facial muscles, and then determining if nerve damage exists. Often, screening for Bell’s palsy involves efforts to eliminate other, sometimes more serious conditions that can cause facial muscle weakness, such as stroke, infection or tumors.

Imaging scans such as MRIs, CT scans or PET scans, and electromyography, which monitors electrical activity within the body by placing electrodes on the skin or into the muscle, can be used to look for nerve damage. 

Locations for Bell's Palsy