Over Activity Of Nerve Cells Resulting In A Migraine

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Definition

Nerve conduction velocity (NCV) is a test of the speed of electrical signals through a nerve.


Alternative Names

NCV


How the test is performed

Patches called surface electrodes, similar to those used for ECG, are placed on the skin over nerves at various locations. Each patch gives off a very mild electrical impulse, which stimulates the nerve.

The nerve's resulting electrical activity is recorded by the other electrodes. The distance between electrodes and the...

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