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Nerve Conduction Study (ncs)


This noninvasive, outpatient exam measures how quickly nerves conduct electrical signals through the body. NCS is a valuable technique for diagnosing nerve damage; if damage exists, NCS can help a physician find its source.


The patient is positioned comfortably on an examination table to prepare for the exam. Electrodes are placed on the surface of the skin at various locations.


The exam sends mild electrical currents into the body through stimulating electrodes, and these signals travel through the target nerve. After these signals have passed through the nerve, they are detected by recording electrodes. This precisely measures the speed and strength of the nerve’s response to direct stimulation. The physician can use this data to diagnose nerve dysfunction.

End of Procedure

When the exam is complete, the electrodes are removed, and the patient is allowed to go home. Because the exam is noninvasive, the patient will experience no bruising or soreness.

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