These are tests that measure the speed and strength of electrical signals as they travel along a nerve.
Nerve conduction studies (NCS) are tests that measure the speed and strength of electrical signals as they travel along a nerve. They are frequently done along with an electromyogram (EMG) to help diagnose conditions involving the muscles and/or nerves. An EMG measures the electrical activity in muscles.
Nerve conduction studies may be done in a doctor's office, a specialized lab, or hospital. Although there is usually no special preparation for NCS, there are some things you should know.
Your healthcare provider may recommend NCS to evaluate a variety of nerve and muscle diseases. During the test you may feel the impulse used to stimulate the nerve. The discomfort is usually minimal and brief, but how uncomfortable it is depends on the strength of the impulse. There are no lasting or long-term effects.
What should I ask my healthcare provider before having this test?
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