WHY NCV TEST IS DONE

WHY NCV TEST IS DONE

Why NCV Test is Done

What is an NCV Test?

NCV, short for nerve conduction velocity, is a diagnostic test that measures the functioning of your nerves. It is used to discover nerve damage, such as Guillain-Barré syndrome, carpal tunnel syndrome, or neuropathy. NCV works by sending a small electrical current through a nerve and measuring how quickly it travels. If the nerve is damaged, the electrical impulses may be slower or blocked altogether.

When is an NCV Test Done?

An NCV test is typically recommended when you have symptoms that suggest nerve damage, such as:


  • Numbness or tingling in your hands or feet

  • Weakness in your muscles

  • Sharp pains

  • Difficulty walking or balancing

  • Vision problems

  • Hearing difficulties

An NCV test can also be used to:


  • Diagnose specific nerve disorders, such as carpal tunnel syndrome or Guillain-Barré syndrome

  • Evaluate the severity of nerve damage

  • Monitor the progression of a nerve disorder

  • Help determine the best course of treatment

How is an NCV Test Performed?

An NCV test is typically performed by a neurologist or other healthcare professional who is trained in nerve conduction studies. The test is done in a clinical setting, such as a hospital or clinic.

During the test, you will be asked to lie down on a comfortable table. The healthcare professional will then clean the skin over the nerve being tested. They will then place two electrodes on the skin over the nerve. One electrode will be placed near the beginning of the nerve, and the other will be placed near the end.

A small electrical current will then be sent through the nerve. You may feel a slight tingling sensation during this process. The healthcare professional will measure how long it takes for the electrical signal to travel from one electrode to the other.

The NCV test typically takes about 30 to 60 minutes to complete.

What are the Risks of an NCV Test?

The NCV test is a safe procedure. However, there are some potential risks, including:


  • Pain or discomfort at the site of the electrodes

  • Bruising or swelling at the site of the electrodes

  • Infection at the site of the electrodes

  • Allergic reaction to the electrodes

The risks of an NCV test are rare. However, it is important to talk to your healthcare professional about the risks and benefits of the test before it is performed.

What Happens After an NCV Test?

After the NCV test, you will be able to go home. You may experience some pain or discomfort at the site of the electrodes. This pain should go away within a few days.

Your healthcare professional will review the results of the test with you. They will discuss what the results mean and what the next steps are. If the test results show nerve damage, your healthcare professional may recommend further testing or treatment.

FAQs on NCV Test

1. How long does an NCV test take?

An NCV test typically takes about 30 to 60 minutes to complete.

2. How much does an NCV test cost?

The cost of an NCV test can vary depending on the healthcare provider and the region where you live. Generally, the cost ranges from $100 to $300.

3. What are the limitations of an NCV test?

An NCV test can only measure the function of large nerves. It cannot measure the function of small nerves, such as those that innervate the skin. Additionally, an NCV test cannot diagnose all types of nerve damage.

4. What are the alternatives to an NCV test?

If an NCV test is not appropriate or inconclusive, your healthcare provider may recommend other tests, such as an electromyography (EMG) test or a magnetic resonance imaging (MRI) scan.

5. How can I prevent nerve damage?

There is no sure way to prevent nerve damage. However, there are some things you can do to reduce your risk, such as:


  • Managing blood sugar levels if you have diabetes

  • Controlling blood pressure if you have high blood pressure

  • Quitting smoking

  • Eating a healthy diet

  • Getting regular exercise

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