NCV – All Four Limbs is a Nerve Conduction Velocity test of the hands and legs, which helps to evaluate the nerve damage.
What is NCV – All Four Limbs Test?
NCV – All Four Limbs or the nerve conduction study measures the speed of electrical signals through the peripheral nerves. NCV – All Four Limbs tests help in the diagnosis of muscular and neuromuscular disorders such as carpal tunnel syndrome, CMT disease, sciatic nerve disorders, herniated disk disease, and peripheral nerve injuries. (1)
How is NCV – All Four Limbs Test Performed?
NCV – All Four Limbs is a non-invasive test.
- Patient has to lie down on the examination table.
- The doctor will place electrodes on all the four limbs.
- Two electrodes are placed on each nerve. The first one stimulates the nerve and the other electrode records the stimulation.
- A brief electric shock is given to stimulate the nerve, and the stimulation is recorded.
NCV – All Four Limbs test takes approximately 20 to 30 minutes.
Side-effects of NCV – All Four Limbs Test
NCV All Four Limbs Test does not use any form of radiation.
- Patients may feel uncomfortable from the electric shocks to stimulate the nerve.
- Precautions must be taken while conducting NCV – All Four Limbs for patients with cardiac defibrillators and pacemakers.
Preparation before NCV -All Four Limbs Test
NCV – All Four Limbs is a painless and effective procedure.
- Follow guidelines about food and medications to be taken before NCV – All Four Limbs, provided by the doctor.
- Inform the medical record to the doctor.
- Do not use any oils and lotions on the skin from a few days before the test.
Post-care after NCV – All Four Limbs
NCV – All Four Limbs does not require any post-care.
- The doctor may ask you to rest for the remaining day after NCV – All Four Limbs test.
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