• Nerve conduction studies are used to evaluate the function of the nerves.
• There are mainly two types of nerves - motor and sensory. The nerve conduction studies are specially designed to perform motor nerve conduction and sensory nerve conduction.

Nerve conduction studies is recommend for following diseases: 

• Neuropathy in patients with diabetes mellitus.
• Connective tissue diseases
• Injury to the nerves
• Carpal tunnel syndrome
• Cervical/lumbar disc prolapse
• Intake of drugs, which may affect the nerves. (drugs taken for treatment of tuberculosis/ cancer)
• Guillain Barre Syndrome
• Hereditary Neuropathy
• Myasthenia.

Symptoms of nerve involvement:

• Tingling, numbness of hands/feet.
• Burning sensation / pain in the hands and feet.
• Decreased sensation in arms/legs.
• Weakness /thinning of arms and legs.

Details of Procedure

• Test usually takes 20-30minutes.
• Metal disc plates (electrodes) are placed on the skin over nerves
• and muscles and mild electrical stimulation is given and the response is recorded.
• Usually two nerves in upper limbs and two nerves in lower
• Limbs are tested. It may be necessary to test more nerves depending on the neurological disease.

Instructions

• Wear loose clothes, which will allow easy examination.
• Fasting not required.
• For children who are uncooperative sedation may be required.
• There is no after effect following the test.
• This is done as an outpatient procedure.