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Nerve Conduction Studies (N...

Nerve Conduction Studies (NCS) & Electromyography (EMG)

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What does a Nerve Conduction Study (NCS) do?

Nerve Conduction Studies (NCS) involve electrical stimulation of peripheral nerves and an analysis of their recorded responses. The aim is to measure how quickly and how well nerve fibres transmit their electrical signals. This can give important information about nerves that have been damaged e.g. from being trapped or from other conditions such as diabetes.

Common indications for NCS include:

  • Carpal Tunnel Syndrome
  • Ulnar Nerve Compression across the elbow
  • Peripheral Neuropathy
  • Cervical Radiculopathies

How does a Nerve Conduction Study (NCS) work, for example to find carpal tunnel syndrome?

A nerve conduction study is a straightforward procedure. It involves placing electrodes on the part of the body requiring investigation (e.g. the hand) and sending a small electrical signal through it.

These signals occur in very short bursts and feel like a sharp tapping sensation. Most patients do not find this too uncomfortable. Another electrode is placed at a second position along the length of the nerve. This picks up the signal and measures its strength along with the time taken for the signal to get from one electrode to the other.

Slowing down of the response or loss of strength of the signal are signs that there is an underlying problem.


What is Electromyography and what it is used for?

Electromyography (EMG) is usually done at the same time as nerve conduction studies. This is used when weakening of the muscles is suspected. Electromyography is used to detect conditions such as:

  • Neuropathy
  • Myopathy
  • Motor neurone disease
  • Carpal tunnel syndrome
  • Myasthenia gravis

The procedure involves a very fine needle being inserted through the skin into the muscle being studied. This needle is used to measure signals from the muscles. The patient is asked to sit still and then to move to give the doctor information about the muscle in different states to help aid in the diagnostic process.

Diagnosing these conditions can allow possible treatment options to be formed from our doctors, consultants and specialists. As we don't have any waiting lists, you will be able to get an appointment quickly, getting the results as soon as they become available.

Contact us today to make an appointment, call us or simply book online.

Nerve Conduction Study (NCS) and Electromyography (EMG) prices



Initial consultation

Included in price of study below

Nerve Conduction Study and Electromyography