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Doctor insights on: Electromyogram

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What's an emg(electromyogram) like?

What's an emg(electromyogram) like?

Needle into muscle: In needle EMG (elecromyography) a small needle electrode is inserted into several muscles and measurements are identified through this electrode. The needle records different types of electrical changes that occur when a nerve or muscle is damaged. The EMG is usually combined with a nerve conduction study (ncs/ncv) to yield info on damaged peripheral nerves or muscle. ...Read more

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Dr. Michele Arnold
1,301 doctors shared insights

Electromyography (Definition)

Emg (electromyography) is a test of your muscles and nerves. It is typically performed along with nerve conduction studies (ncs). The EMG portion involves placing a recording pin (like a fine wire antenna) into various muscles, looking for 'muscle distress signals' that could suggest nerve or muscle diseases/problems. Nerve conduction studies involve stimulating nerves ...Read more


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Is electromyogram available anywhere?

Is electromyogram available anywhere?

Sort of : Physicians go through additional training to perform emg. Typically a neurologist or physiatrist is skilled in EMG and nerve conduction studies. Look for one who is board certified by the american board of electrodiagnostic medicine. Sadly, some unqualified podiatrists, physical therapists, chiropractors, and even some family docs and internists try to do these without training. Choose wisely. ...Read more

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Does a electromyogram (emg) take long?

Does a electromyogram (emg) take long?

30-60 min: Performance of an EMG may include a physician evaluation taking your history and examining you, followed by explanation of the test, completion of the test, and often includes conveying the results to you along with treatment advice. Emg is typically performed alongside nerve conduction studies. A simple one-limb study can take 30-60 minutes. More extensive workups can be as long as 2 hours. ...Read more

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Electromyogram: who does and interprets it?

Electromyogram: who does and interprets it?

A specialist: Ideally, a physiatrist (pm&r physician) or neurologist. Other practitioners may attempt emg/ncs without proper qualifications. Look for a physician who is board-certified in EMG by the american board of electrodiagnostic medicine or whose lab is accredited by the aanem to ensure quality. A tech may help perform the test, but a physician should interpret and discuss your results with you. ...Read more

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How painful is an emg (electromyogram) test?

How painful is an emg (electromyogram) test?

Tolerable discomfort: Emg and nerve conduction studies are typically performed together. Nerve conduction studies feel like a short electrical impulse and are, in a word, annoying. Several nerves are tested. Emg involves placing a fine wire pin into various muscles-- the pin is about the size of an acupuncture needle and feels like an insect bite-- not as bad as a shot, iv, or blood draw. Several muscles are tested. ...Read more

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Can someone fake results of an electromyogram?

Can someone fake results of an electromyogram?

No: The results of an EMG test and nerve conduction studies are objective, and not influenced by a patient's pain, pain medications, or behavior. Emg/nerve conduction study results cannot be 'faked'. ...Read more

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How bad does an emg (electromyogram) test hurt?

Tolerable discomfort: The EMG pin is like a fine wire antenna that records from muscle; typically a 28 gauge, a tiny bit larger than an acupuncture pin, but smaller than an injection needle. It feels like an insect bite. Not as bad as a blood draw or flu shot. Typically 2-8 muscles are checked for each tested limb. Nerve conductions studies are usually done alongside, and they feel like an annoying electrical pulse. ...Read more

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In what ways can medications alter an electromyogram?

In what ways can medications alter an electromyogram?

Very little : Typical medications do not influence the results of an emg/ nerve conduction study. You may take your medications (including pain meds) as usual. Ask your physician if you need to stop any blood thinners before the test for safety reasons. Test results for myasthenia gravis patients are affected by their medications. Emg can also detect diseases caused by certain medications. ...Read more

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What is a electromyogram (emg) and nerve conduction studies most commonly used to diagnosis?

Nerve ; muscle test: Emg/ncs is a test that uses small electric shocks along nerve tracts, and needles into muscles.. While small nerve fibers cannot be accurately tested, middle and large nerves will demonstrate changes in transmission times and rhythm. Muscle, will demonstrate changes in wave form, and resting potential. Neuropathy, polio, myopathy, radiculopathy, entrapped nerves, carpal, cubital/ carpal tunnel, . ...Read more

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