What is An Nerve Conduction Study (NCS)?

• A Nerve Conduction Study (NCS)is a non-invasive, painless test to measure how well individual nerves send an electrical signal from the spinal cord to the muscles.
• NCS is a measurement of the amount and speed of conduction of an electrical impulse through a nerve. NCS can determine nerve damage and destruction, and is often performed at the same time as EMG. Both procedures help to detect the presence, location, and extent of diseases that damage the nerves and muscles.

Why do I need NCS?

NCS used to diagnose of several neuromuscular disorders such as:
• Neuromuscular diseases, such as muscular dystrophy
• Nerve problems in the spine, such as a herniated disk
• Nerve problems elsewhere in the body, such as carpal tunnel syndrome
• Peripheral nerve problems in your arms or legs
• Pinched nerves
• Guillain-Barré syndrome, a disease in which your immune system attacks the nerves in your legs and arms.

Any preparation needed?

• No special preparation is needed
• Take a shower the night before or the morning of the test to remove excess oil from the skin.
• Avoid applying lotions, creams, or body oils for a few days before the test.
• Remove any jewelry, watches, eyewear, or other metal objects before the procedure.
You should notify the doctor if you:
• Take any over-the-counter or prescription medications, especially blood thinners.
• Have a cardiac defibrillator or pacemaker.