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For disorders affecting nerves and muscles, electrodiagnostic studies can help establish diagnoses, identify other problems, and define the severity of problems.

Electromyography (EMG) and other electrodiagnostic tests read the electrical signals that travel from the brain to motor nerves to muscles. An injury or disease can interrupt these signals, causing problems such as carpal tunnel syndrome, sciatica, nerve entrapment, and other problems of the nerves or muscles.

Patients who experience weakness, atrophy, fatigue, cramps, muscle movements, stiffness, pain, paresthesias (tingling skin sensations), and numbness may be asked to undergo an electrodiagnostic test.

Dr. Donna Bahls performs EMG tests based on medical referrals. Her clinics are held from 9 a.m. – 4 p.m. on the 3rd Monday of each month at KHC’s Medical Specialty Clinic, located at 1008 Bell Ave., Suite 105, in Knoxville.

For a referral to Dr. Bahls or if you have any questions about EMG, contact your primary care provider.