EMG & NCV Test Near Me – EMG and Nerve Conduction Studies in Massapequa, NY

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What is EMG/NCV Testing?

Electromyography (EMG) and Nerve Conduction Velocity (NCV) testing are advanced diagnostic studies used to evaluate nerve and muscle function.

Electromyography (EMG) is a diagnostic procedure that measures the electrical activity of your muscles. Small, thin, sterile needle electrodes are gently inserted into specific muscles by a trained physician. These electrodes detect how your muscles respond at rest and during contraction.

This test helps determine whether muscle weakness, pain, or numbness is due to a muscle disorder itself or a nerve problem supplying the muscle.

Conditions EMG can help diagnose include:

  • Carpal tunnel syndrome

  • Radiculopathy (pinched nerves in the neck or back)

  • Peripheral neuropathy (nerve damage often from diabetes)

  • Muscle inflammation (myositis)

  • Motor neuron diseases (like ALS)

What patients should know:

  • You may feel a quick pinch during needle placement and mild muscle soreness afterward, but most patients tolerate the test well.

  • The test usually lasts 20–40 minutes, depending on how many muscles are tested.

  • No special preparation is needed, but let your doctor know if you are on blood thinners or have a pacemaker.

Nerve Conduction Velocity (NCV), also called a nerve conduction study, evaluates how quickly and effectively electrical signals travel through your nerves. This test is often performed along with EMG for a complete nerve and muscle evaluation.

During NCV testing, small electrodes are placed on the skin over specific nerves. A mild electrical pulse is delivered to stimulate the nerve, and sensors record how fast and strong the signal travels.

Conditions NCV can help diagnose include:

  • Carpal tunnel syndrome and ulnar neuropathy

  • Peripheral neuropathy (nerve damage from diabetes, alcohol use, or chemotherapy)

  • Guillain-Barré syndrome and other demyelinating neuropathies

  • Nerve injuries from trauma or compression

  • Sciatica or herniated discs affecting nerve function

What patients should know:

  • You may feel a brief tingling or tapping sensation during stimulation.

  • The test typically takes 15–30 minutes, depending on how many nerves are studied.

  • There are no lasting side effects, and you can resume normal activities immediately.

FAQ Section: EMG & NCV Testing Near Me

Is an EMG test painful?

An EMG test may cause mild discomfort when the small, thin needle electrodes are inserted into the muscle. Most patients describe it as a quick pinch followed by mild soreness that resolves within a day. The test is safe and well-tolerated.

What does a nerve conduction study (NCV) feel like?

During NCV testing, you will feel a mild electrical pulse that may cause your muscle to twitch briefly. The sensation can feel like a quick tapping or tingling. It is not dangerous and does not cause lasting discomfort.

How long do EMG and NCV tests take?

Both studies are usually performed during the same appointment. Depending on how many muscles and nerves need to be tested, the entire procedure may take 30–60 minutes.

Why would my doctor order EMG and NCV tests together?

EMG measures how your muscles respond to nerve signals, while NCV measures how well and how quickly those signals travel through your nerves. When performed together, these tests give doctors a more complete picture of whether symptoms are caused by nerve damage, muscle disease, or both.

What conditions can EMG and NCV help diagnose?

These tests are used to diagnose conditions such as: • Carpal tunnel syndrome • Peripheral neuropathy (often from diabetes or chemotherapy) • Pinched nerves in the neck or back (radiculopathy) • Sciatica • Guillain-Barré syndrome • Muscle disorders like myositis

How should I prepare for the test?

• Wear loose-fitting clothing so that your arms and legs can be easily examined. • Avoid applying lotions or oils to your skin on the day of testing, as this can interfere with electrode contact. • Inform your doctor if you take blood thinners, have a pacemaker, or any implanted electrical device.