Nerve Conduction Velocity Service

  • Nerve conduction velocity 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 velocity 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.
  • 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.


  • 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.

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