Introduction
If your doctor has recommended an EMG (electromyography) or NCS (nerve conduction study), you probably have questions. Here are answers to the most common ones patients ask—so you can walk into your appointment feeling informed and confident.
Q: What do these tests actually do?
- NCS: Measures how quickly and strongly your nerves send signals.
- EMG: Measures how your muscles respond when your nerves tell them to move.
Q: Does it hurt?
- Most patients describe the nerve conduction part as quick zaps (like static electricity).
- The EMG involves a tiny needle in the muscle—similar to a quick pinch. It may feel achy but is usually well tolerated.
Q: How long does the test take?
- Typically 30–60 minutes, depending on how many areas are being tested.
Q: Do I need to prepare?
- Wear loose clothing.
- Don’t use lotions or oils on your skin the day of the test.
- Take your medications as usual unless your doctor says otherwise.
Q: Are there side effects?
- You may have mild soreness where the needle was placed, but this usually goes away within a few hours.
Q: Why did my doctor order this test?
- To determine whether your symptoms are from nerve damage, muscle disease, or both.
- To diagnose conditions like carpal tunnel, neuropathy, or pinched nerves.
EMG/NCS testing is safe, quick, and provides unique answers that no other test can. The results help your doctor create the best treatment plan for you.
Have more questions? Contact Integrity Diagnostics and our specialists will be happy to walk you through the process.
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