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Doctor insights on: Electromyography Test

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I have to take a electromyography (emg) test. How do I prepare?

I have to take a electromyography (emg) test. How do I prepare?

Relax: First you need to show up. Be prepared to sit relatively still for about an hour. The test works best if you relax during it. It is very well tolerated but there may be aspects that are uncomfortable for a very short time. The EMG portion is done with a needle that measures muscle activity. It should not be very painful. Most folks tolerate it well.The results are very useful for your treatment. ...Read more

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Exercise Stress Test (Definition)

Recording an ekg while walking up a steeper & steeper incline, at a faster & faster rate, so as to increase heart contraction intensity & rate of contraction, thus blood flow needed by the heart muscle. However, atherosclerosis does not narrow arteries, clots do, & the ekg only detects major qualitative differences in capillary blood flow. Thus only severe artery disease ...Read more


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What is electromyography (emg )?

Electromyography: Emg and ncv testing is used to help diagnose nerve and muscle problems. Examples include spinal nerve impingement (from herniated disc), carpel tunnel syndrome, ulnar syndrome, sources of radiating pain. Pain, numbness, weakness, muscle fatigue are some of the reasons that you may need an emg/ncv test. ...Read more

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What exactly is electromyography?

Nerve & muscle test: Electromyography (EMG) is usually performed alongside nerve conduction studies in order to test the function of nerves and muscles. Emg involves placing a pin (like a fine wire antenna) into various muscles, looking for distress signals that can suggest nerve or muscle problems. Nerve conduction studies involve stimulating a nerve and measuring various facets of nerve conduction. ...Read more

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What is electromyography used for?

What is electromyography used for?

Nerve & muscle test: Electromyography (EMG) is typically performed along with nerve conduction studies. When performed by a skilled physician (who also does a history & physical exam), these tests can identify nerve & muscle conditions at any point in the 'circuit' from part of the spinal cord, nerve root (exiting your spinal column), through the plexus, peripheral nerve, neuromuscular junction, and muscle. ...Read more

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What does typical electromyography (emg) consist of?

Nerve & muscle test: 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 & recording their signals. ...Read more

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What is the definition or description of: electromyography?

What is the definition or description of: electromyography?

Nerve & muscle test: 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 & recording their signals. ...Read more

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Can someone list the disorders that might be diagnosed with electromyography?

EMG: Electromyography or EMG is a test used to look at muscle activity which is reflective of nerve activity. This is often done in conjunction with nerve conduction velocity (ncv) testing. This is done by measuring muscle activity over a stimulated nerve. These 2 tests can help diagnoses nerve disorders, muscle disorders, neuro-muscular junction disorders. ...Read more

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What is the definition or description of: nerve conduction and electromyography?

What is the definition or description of: nerve conduction and electromyography?

See below: An electromyogram (EMG) measures the electrical activity of muscles at rest and during contraction. Nerve conduction studies measure how well and how fast the nerves can send electrical signals. An EMG is done to find diseases that damage muscle tissue, nerves. A nerve conduction study is done to find damage to the peripheral nervous system. ...Read more

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Can a neurologist lessen pain you during an electromyography?

Can a neurologist lessen pain you during an electromyography?

Probably not: Feeling pain intensity is very subjective, i usually engage patient in conversation so their attention is diverted, sometimes recruitment analysis can give answer with less pain than full interference testing which is usually more painful. ...Read more

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Is a surface electromyography (semg scan) done by a chiropractor?

Not usually: Apparently a few chiros have acquired this type of equipment but they have inadequate training and background to properly interpret the results. This type of testing should be done by a real doctor such as a neurologist. ...Read more

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Can an electromyography detect the cause of foot drop?

Surely: From your description, could be due to lumbar L-5 root compression, but your foot drop could even be due to peroneal nerve compression. EMG done in certified lab could certainly differentiate. ...Read more

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Is it okay to have an electromyography the same day after having an MRI cerebral angiography?

Even 2 if you want!: You are quite eligible to have an EMG, EEG, EKG, and any other medical or diagnostic test that ends in a "G" even on the same day as your MRI if you're ambitious enough. ...Read more

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I m having groin pain.Physical exam, mri(3t), ultrasound all ok, if a nerve is causing pain because of stretching can electromyography help detect?

I m having groin pain.Physical exam, mri(3t), ultrasound all ok, if a nerve is causing pain because of stretching can electromyography help detect?

It can, BUT: They r only helpful if positive, a negative ncs/emg does not mean it's not a nerve. Like drilling 4 oil, a dry well does not mean there is no oil below . Keep looking 4 cause, though many time these things eventually clear with no explanation. ...Read more

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Undiagnosed injury from a backpack vacuum in my upper back clavicle near t2. It's been a year and doctors have no answers. It's one pinpoint spot that stings and burns, makes me unable to turn head or move arm. MRI, electromyography and xray normal.

Undiagnosed injury from a backpack vacuum in my upper back clavicle near t2. It's been a year and doctors have no answers. It's one pinpoint spot that stings and burns, makes me unable to turn head or move arm. MRI, electromyography and xray normal.

See pain doc: Localized pain without x Ray findings can be a problem for the patient and practitioners when cause is elusive. I suspect the real issue is from your cervical spine with pain referral. Get an x Ray with full flexion and extension views of c spine to look for ligamentous laxity. Get trial of local lidocaine injections (or buy 5% topical at pharmacy) to T2 area. Use neck bolster during sleep. ...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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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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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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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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Acth stimulation test results accurate?

Acth stimulation test results accurate?

Depends: I'm assuming no lab errors. If you get a very high cortisol spike after receiving the first dose of ACTH, you are reassured you do not have Addison's. No, or a very small spike, strongly suggests Addison's. In-between... that's why there are specialist endocrinologists. ...Read more

Dr. Michele Arnold
1,332 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


Dr. Charles Cattano
14 doctors shared insights

H. Pylori Breath Test (Definition)

H.Pylori urea breath test is used to detect the presence of h.Pylori in the stomach. If present it acts on urea and releases carbon die oxide (co2)and ammonia. The released co2 is measured, and the presence of h.Pylori is confirmed. It is a useful test conducted in about 15 minutes. The sensitivity and specificity of ubt are approximately 88 to 95 percent and 95 ...Read more