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Doctor insights on: How Long Does An Emg Take

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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

Dr. Michele Arnold
1,322 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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Can emg ncs tell the difference between neuropraxia and axonometesis, can it diagnose how long the nerve will take to fully recover?

Can emg ncs tell the difference between neuropraxia and axonometesis, can it diagnose how long the nerve will take to fully recover?

Yes and no: Yes am EMG /ncs is used to differentiate neuropraxia and axonotmesis but the test itself cannot tell how long a lesion will take to recover. The physician performing the test can give the person an idea of how long an injury will take to heal and whether it is likely to heal based on the test results. ...Read more

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I need emg done on 2 legs what are the most painfull part and how long does it take and will it injured anything after im done and what can exspect

Needle exam: The EMG test includes two parts nerve conductions and electromyography. A small electric current is used to test the nerve conduction. The electromyography involves putting a small needle in a sample of the muscles that may be affected to determine if their function is normal. Most people dislike the needle exam as multiple needle punctures are needed. ...Read more

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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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What to do if I had an emg done & I was questioning what some of the results meant, so what is prolonged latency?

What to do if I had an emg done & I was questioning what some of the results meant, so what is prolonged latency?

Talk to your doctor: Prolonged latency means one of your responses was delayed. In isolation this abnormality doesn't tell a whole lot. If you still have questions about the results you need to talk to your doctor for additional clarification, as only that type of dialogue would be specific to you and your test ...Read more

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I was recommended to find a dr performs EMG of pelvic nerves. How do I find a dr who does this? Not sure what steps to take

I was recommended to find a dr performs EMG of pelvic nerves. How do I find a dr who does this? Not sure what steps to take

OSU: The Department of Neurology at Ohio State should be able to help you with this - they have a division which is dedicated to neuromuscular diseases including electrodiagnostics like this. ...Read more

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Is it ok to take flexeril (cyclobenzaprine hcl) on the day of emg after the test is done?

Is it ok to take flexeril (cyclobenzaprine hcl) on the day of emg after the test is done?

Yes: Yes, after you arrive home I know of know reason that u cannot take your prescription Flexeril (cyclobenzaprine hcl) if needed after emg/ ncv test. Call your physician if you are worried about drug interactions. ...Read more

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Can taking clonazepam before an emg or EEG test affect results? I only take a 1/4 piece of. 5mg tablet. I only take it as needed.

Can taking clonazepam before an emg or EEG test affect results? I only take a 1/4 piece of. 5mg tablet. I only take it as needed.

Relaxants: Anxiety medications can make you more relaxed and can effect the eeg or EMG that you are having. If you only take them as needed don't take them. If you need to make sure the technician doing the study knows so the physician reading the study will be able to interpret it correctly. Hope this helps. ...Read more

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How long can swelling near a hematoma last from olecranin bursitis? Been over 30 days, no change. Ortho wants an emg done but I have no insurance.

How long can swelling near a hematoma last from olecranin bursitis? Been over 30 days, no change. Ortho wants an emg done but I have no insurance.

EMG: An EMG assesses nerve problems. A hematoma and bursitis are not nerve problems. Therefore, an EMG would probably be of little benefit. If the swelling that you speak of is actually the olecranon bursitis, that type of swelling can last indefinitely. Speak to your physician about this to get further guidance about the treatment of the bursitis. You might also consider seeing a pm&r doc as well. ...Read more

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Son is having single fiber emg and repetitive nerve stimulation testing tomorrow. Can he take dramamine (dimenhydrinate) prior to leaving our home?

EMG: Usually we don't recommend because they normally have to be awake and functional to follow instructions to make the test more accurate. ...Read more

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EMG/NCV report says "H-Reflex at left tibial nerve was 40.15. It was significantly prolonged compared to other leg." Can this cause swelling in leg?

EMG/NCV report says "H-Reflex at left tibial nerve was 40.15. It was significantly prolonged compared to other leg." Can this cause swelling in leg?

Nerve slow, swell no: Slowing nerve will not cause local, swelling. You should ask if the condition causing the nerve slowing might do this, and ask your doctor. There are multiple causes of swelling, most are benign, but some very serious, and you need correct evaluation to determine which is your cause. ...Read more

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Been having twitching all over for 2 weeks. Clean EMG other than twitching in foot. How long should I leave it? Could it be anxiety? What should I do?

It's possible but...: Likely nothing big & it'll stop soon. If you've had an EMG already. (which I think may have been a bit aggressive) but I don't the rest of your case...I'm just sayin'. I've seen so many people going nuts since this ALS bucket challenge that...well, whatever. Have you had some general bloodwork done? That could also complement what you had with the EMG, some electrolytes, thyroids, etc. ...Read more

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Had emg done for drop foot, doc said nerves firing but still see alittle damage, will therapy heal this? How long?

Had emg done for drop foot, doc said nerves firing but still see alittle damage, will therapy heal this? How long?

Foot drop: Depends on the extent of the injury, location of the injury, and time since nerve injury. Little short on the details to give a good answer. ...Read more

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How long is a nerve transfer for drop foot surgery? & is a emg considerd an out patient surgery? I was actually told that by a dr. Office.

Foot drop surgery: As a foot surgeon, I've never heard of nerve transfer surgery. You might be referring to nerve release for the peroneal nerve that could be related to drop foot. An EMG is a test that is performed usually with a ncv (nerve conduction velocity) which is outpatient. ...Read more

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Direct punch to brachial plexus 3 years ago and misdiagnosed. Specialist just gave BP diagnosis. EMG study neg. Awaiting MRI. How long to fully heal?

Direct punch to brachial plexus 3 years ago and misdiagnosed. Specialist just gave BP diagnosis. EMG study neg. Awaiting MRI. How long to fully heal?

Can you give details: If what you're saying is that your brachial plexus injury still has not healed after 3 years then, my feeling is you've reached a state of constancy from which I wouldn't expect much SPONTANEOUS improvement. Key word though is SPONTANTEOUS. There may still be things YOU CAN DO to benefit yourself. Can you give details as to what happened & what the ongoing brachial plexus issues are now? ...Read more

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Weak leg n back muscle n loss of leg strength/tingling. Cant walk/stand for long. Is this sciatica? EMG normal. Have history of B12/D def. Now b12 is 250

Possibly: An emg/ncv test is not 100 percent sensitive for sciatica, so it could possibly be coming from the irritation of a nerve in the back causing symptoms in the leg ("sciatica"), but there are other potential causes as well. An MRI of the lumbar spine would show if there is any nerve impingement that correlates with your symptoms. Continue being seen for further work up. ...Read more

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If you have numbness and tingling in the hand does it come from your neck? Does the doctor perform a EMG? Please help what kind of exam takes place?

Hold your horses: The first "exam" that needs to be done is a history and physical by a clinician in the office. Don't be so ready to second-guess the process. Would you do that with your lawyer or mechanic or plumber? ...Read more

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Had EMG done normal, Blood work up for Zoloft, (sertraline) Normal. Twitching in Calves will not stop, soreness, jumping, crawl, can see them, allday long 4 months?

Had EMG done normal, Blood work up for Zoloft, (sertraline) Normal. Twitching in Calves will not stop, soreness, jumping, crawl, can see them, allday long 4 months?

EMG normal-Good news: And so the dreaded ALS is pretty much off the table...good news, no? You never said ALS in your question but I'm waiting it was somewhere in the back of your mind. You likely participated in the ALS Bucket challenge. Am I right? Don't know what you mean about the blood work "up from Zoloft" means. I'd be happy to help you more specifically. If interested write me at: www. Healthtap. Com/drsaghafi ...Read more

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I was in MVA. MRI shows Rotator cuff tear, labra tear and tendinitis on shoulder. EMG shows pinched nerve. Will Physical Therapy help and how long?

I was in MVA. MRI shows Rotator cuff tear, labra tear and tendinitis on shoulder. EMG shows pinched nerve. Will Physical Therapy help and how long?

Can't answer w/o inf: The space here is limited to provide a good answer to your question. You should speak to an Orthopedic Surgeon or sports medicine doctor (rehab?) to answer this question. Generally, rest, ice, & compression is used to help support healing. Anti-inflammatories like Tylenol (acetaminophen) could be used also. Later on, rehab is used when healing has started but timing is up to the surgeon. ...Read more

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Pain in ball of foot and 3 toes, toes also burn and turn red when standing too long. MRI normal, EMG shows pain is from pinched nerve. Sound correct?

Pain in ball of foot and 3 toes, toes also burn and turn red when standing too long. MRI normal, EMG shows pain is from pinched nerve. Sound correct?

Tarsal tunnel synd.: There are several possibilities, it sounds like you could be describing tarsal tunnel syndrome, which is a pinching of a nerve in the medial aspect of the ankle. I would not hesitate to be seen for it as there are good treatment options available. ...Read more

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Can a neck strain last longer than ten months? I've had it since june of 2013 with some trouble swallowing, twitching and cramping. Is this normal? Wanted an emg which came back negative. Please help.

Can a neck strain last longer than ten months? I've had it since june of 2013 with some trouble swallowing, twitching and cramping. Is this normal? Wanted an emg which came back negative. Please help.

Nerve impingement: Is a very common problem, affecting about 10-12% percent of the adult population in the us. Nerve impingement can be caused by being sandwiched between two spinal bones, pressed by a bulging disc or encroached upon by bony overgrowth. Rec.: see an interventional pain management specialist for further investigation. ...Read more

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How is emg done?

Carefully: Emg or electromyography is a test done that requires a trained physician (pmr or neuro md) to insert a thin needle electrode into specific muscles to determine whether there is muscle, motor nerve, (or nm junction with special techniques) injury. It can be uncomfortable at times and is usually combined with a ncs (nerve conduction study) test to physiologically examine peripheral nerve and muscle. ...Read more

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WHAT IS AN EMG Test?

Electromyogram: It is a test to find problems in muscles and between nerves and muscles, often done with nerve conduction velocitiy (NCV).

http://www. Webmd. Com/brain/electromyogram-emg-and-nerve-conduction-studies ...Read more

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Does a emg test hurt?

Does a emg test hurt?

A little bit: The level of pain varies from patient to patient and with the doctor who is performing the test. Most patients find the discomfort relatively mild and no big deal. ...Read more

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Is an emg test painful?

Uncomfortable: Like a lot of medical tests emgs are not fun. I tell patients there will be some discomfort but it should be tolerable and not last too long. ...Read more

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What does a emg test show?

EMG: An electromyogram (EMG) measures the electrical activity of muscles at rest and during contraction. ...Read more

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Does emg always show injury?

Does emg always show injury?

No: It has great specificity (when it shows a problem there's really a problem), but poor sensitivity (when the EMG does not show a problem there in fact may be a problem).

So EMG does not always show injury. ...Read more