![]() ![]() ![]() You should inform the physician if you are taking any blood thinners (anticoagulants), if you bruise easily, are very susceptible to infections, have a history of hepatitis or AIDS, or have a pacemaker.Do not use bath oils, lotions, or creams.Bathe or shower on the day of the exam, scrubbing well to remove body oils.Eat your normal meals and take your normal medications.It is often used to evaluate localized of diffuse numbness, weakness, or pain. The speed of conduction is slowed in a variety of diseases of the nervous system. NCV tests evaluate the function of peripheral nerves in the limbs by recording the speed with which an electrical impulse travels through it. Electrical activity is studied during insertion, while the muscle is at rest, and during muscle contraction. EMG results can help determine if muscle weakness or numbness is caused by a problem that affects the nerves, muscles, or the connection between the two. These techniques are helpful in the evaluation of disorders of nerves, muscles, neuromuscular junction, and spinal cord, including pinched nerves in the arm or leg, herniated disks in the neck in the neck or back, and inflammation of the muscles.ĮMG is performed with a fine disposable sterile needle electrode inserted into a muscle. Electromyography (EMG) uses electrodes to detect and record electrical signals in your muscles and nerve cells while theyre active and at rest. Analyze the cause of muscle weakness, spasms, numbness, tingling, or pain of the limbs or face. ![]() Diagnose problems with the nerves and muscles in your neck, back, arms or legs.About Electromyography (EMG) and Nerve Conduction Velocities (NCV)
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