What does EMG of the neck show?

Electromyography (EMG). Electromyography measures the electrical impulses of the muscles at rest and during contractions. Nerve conduction velocity studies are often done along with EMG to determine if a nerve is functioning normally.

Is a cervical EMG painful?

Pain is the most common complication of EMG2 causing some level of discomfort in all patients either from the nerve conduction portion or the needle examination. Most surveys find pain more common in the needle portion. The study is typically well tolerated but for some patients it is nearly unbearable.

Does EMG show pinched nerve in neck?

Overview. EMG and NCS are tests that measure the electrical activity of the muscles and nerves of the body, usually to an arm or a leg. The tests can help identify nerve injury or muscle disease such as carpal tunnel syndrome, a pinched spinal nerve, peripheral neuropathy, myositis, or ALS.

How painful is an EMG nerve test?

Is an EMG test painful? EMG testing may result in some discomfort, but it is usually well tolerated without any need for pain medication.

Why would a doctor order an EMG test?

A doctor will usually order an EMG when someone is showing symptoms of a muscle or nerve disorder. These symptoms may include tingling, numbness, or unexplained weakness in the limbs.

Where are needles inserted for EMG?

A neurologist will locate the muscle(s) to be studied. The skin will be cleansed with an antiseptic solution. Next, a fine, sterile needle will be inserted into the muscle. A ground electrode will be positioned under your arm or leg.

What diseases can be diagnosed with an EMG?

An EMG can be used to diagnose a wide variety of neuromuscular diseases, motor problems, nerve injuries, or degenerative conditions, such as:

  • Amyotrophic lateral sclerosis (ALS)
  • Carpal tunnel syndrome.
  • Cervical spondylosis.
  • Guillain-Barre syndrome.
  • Lambert-Eaton syndrome.
  • Muscular dystrophy.
  • Myasthenia gravis.

Can you be sedated for an EMG?

Your EMG will be performed in a hospital or outpatient setting. The procedure takes one to three hours and generally includes these steps: You will dress in a patient gown and remove any items that may interfere with the an electromyogram. You might take a mild sedative.