Nerve conduction velocity testing is used to assess nerve damage in which condition?

• A. Intermittent claudication
• B. Peripheral neuropathy
• C. Myocardial infarction
• D. Bursitis

Answer: (B)

Nerve conduction velocity testing assesses how fast electrical impulses travel along peripheral nerves, giving a measure of nerve function. By delivering a small electrical stimulus and recording the response at another point, it yields conduction velocity, latency, and amplitude. In peripheral neuropathy, nerve fibers are damaged or impaired, so the speed of conduction slows and the signal may weaken, reflecting demyelination or axonal loss. This makes NCV a useful tool to quantify and localize nerve damage, distinguishing neuropathic processes from other non-nerve conditions. It’s not used for issues like heart problems (myocardial infarction), joint inflammation (bursitis), or blood-flow–related leg pain (intermittent claudication), which involve muscles, joints, or vessels rather than peripheral nerves.