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Doctor insights on: Nerve Conduction Test Side Effects

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I have cramping a tingling down the right side of my knee to my ankle. I've had a nerve conduction test an MRI to check for nerve entrap. But nothin?

I have cramping a tingling down the right side of my knee to my ankle. I've had a nerve conduction test an MRI to check for nerve entrap. But nothin?

First off,: You should realize that a nerve conduction test doesn't offer accuracy of 100%. There are false negatives results. Mris are tricky too. Particularly with certain nerve entrapments and who is reading them. Nerves generally don't cramp, muscles do. Tingling is usually nerve related. The nerve in your case I would look for is by the fibular head and/or in the back. A good physical exam is key. ...Read more

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Nerve (Definition)

The brain and spinal cord communicates with what is occurring in the internal organs and limbs by nerve fibers where are like electrical wires with insulation (myelin) and the "copper" (axon). Within brain and spinal cord these nerves connect to other nerves via synapses on both axons and dendrites. A nerve can carry information regarding sensations, and ...Read more


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Left side face arm and leg feel numbish. It come and goes can last minutes to days. Negative MRI mra EEG and nerve conduction test. Any other ideas?

Left side face arm and leg feel numbish. It come and goes can last minutes to days. Negative MRI mra EEG and nerve conduction test. Any other ideas?

No other ideas: If you have ruled out dangerous and correctable conditions and the symptoms go away, i wouldn't let my heart be troubled these symptoms can be part of GAD ...Read more

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Should i possibly get a nerve conduction test?

Should i possibly get a nerve conduction test?

Depends: It really depends on what the possible problem is. Nerve conduction tests are usually done with electromyography. The test is non-invasive and an office procedure that does not require anesthesia. The electromyography portion involves needles. ...Read more

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What does a normal emg/nerve conduction test tell you?

What does a normal emg/nerve conduction test tell you?

Interpretation: Assuming the test was comprehensive and technically competent, this can eliminate large fiber neuropathy, and most muscle diseases. But does not eliminate small fibre neuropathy, or disease of brain and/or spinal cord. Symptoms due to intermittent nerve compression are not fully excluded either. ...Read more

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What can I expect from an emg, or nerve conduction test?

What can I expect from an emg, or nerve conduction test?

Tolerable discomfort: There are two parts to an EMG test: nerve conduction studies and electromyography. Nerve conduction studies feel like a short, electrical impulse and are, in a word, annoying. Emg uses a fine wire electrode to record from muscles and feels like an insect bite. It is not as bad as a shot or IV or blood draw. Several muscles and several nerves are usually checked. ...Read more

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My body is burning all over, I had a nerve conduction test which was normal, I cannot stand this burning cold sensation in my body. Please help!!

My body is burning all over, I had a nerve conduction test which was normal, I cannot stand this burning cold sensation in my body. Please help!!

More information: It sounds like you are getting to a diagnosis. What did the doctor say that did the nerve conduction test? What medications if any are you on?
Need more information to help. Please reconnect with the doctor who did your testing. If not useful go to ER for quickest evaluation. ...Read more

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What does a nerve conduction test and a sleep study show or is ordered for??? Thanks

What does a nerve conduction test and a sleep study show or is ordered for??? Thanks

Different studies: Two very different studies, Nerve conduction tests for nerve injury or neuropathy Sleep study usually done to find sleep apnea or occasionally sleep disorder. ...Read more

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What is an emg and nerve conduction test for?

What is an emg and nerve conduction test for?

Nerves & muscles: Emg and nerve conduction studies are used to detect abnormalities of nerves and muscles. The test evaluates nerve roots as they exit your spine, the nerve plexus, peripheral nerves, the nerve-muscle junction, and muscle itself. It can detect pinched/compressed nerves (sciatica, carpal tunnel, and others), muscle disorders, neuropathy, and many other neuromuscular conditions. ...Read more

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What to do if I have to have a nerve conduction test on my upper limbs in hospital?

No preparation need: Your test will be done with mild electrical shocks, and recordings of the stimulation results. An EMG part will use small needles, and the greatest risk might be a small bruise. If done thoroughly and fully, answers for location and severity of nerve problem will be uncovered. ...Read more

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Two part? What's the difference bettween an EMG and nerve conduction test AND is it more painful or less if you have nerve damage?

Two part? What's the difference bettween an EMG and nerve conduction test AND is it more painful or less if you have nerve damage?

There are two parts: Nerve conduction study: Electrodes are put on skin over a nerve. Mild electric shocks (not painful) cause axons to transmit action potentials (nerve impulses). Velocity & amplitude (speed & strength) of impulses are measured. This measures nerve's function. Electromyogram: Needle electrodes are stuck in muscles innervated by a nerve. Electrical activity of muscle => data on nerve function. ...Read more

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What does denervation in calf area on EMG mean? Also, nerve conduction test showed differences in ankles. Bad signs?

Peripheralneuropathy: What you are describing is not normal. Do you diabetes or any type disease that can cause a peripheral neuropathy? Should discuss with your physician and or a neurologist. Without any other symptoms, unlikely to be from spinal source ...Read more

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R there alternatives to nerve conduction test (have TOS+arm pain)? Hear can be very painful. Would drinking gin before change the results of test?

Buck up, Dennis: I've had 3 EMG/NCSs. The nerve conduction test part is mildly uncomfortable. The electromyogram is where they stick little electrodes in e.g. your toe and tell you to move the toe. There ARE painful moments there, but that part usually lasts only about 5 min, 10 tops. Don't drink before. The IMPORTANT question always is: Will the results change MANAGEMENT? Never shy away from asking that. ...Read more

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Podiatrist suspects I have tarsal tunnel and suggests I get a nerve conduction test to diagnose. How likely will the nerve test confirm tarsal tunnel?

Tarsal tunnel: This is very uncommon, but the clinical history and EMG/NCV can be helpful in determining a distal tibial neuropathy associated with tarsal tunnel syndrome. There are technical challenges at times evaluating this, but typically those occur in older individuals. ...Read more

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I was diagnosed with polyneruopathy after a nerve conduction test and I think an emg. Now my knee is swollen and hurting. What happens now?

I was diagnosed with polyneruopathy after a nerve conduction test and I think an emg. Now my knee is swollen and hurting. What happens now?

Could be something: Serious. If you did not injure it, possibilities are gout, pseudogout, or infection. If you had an injury, it is probably bleeding from meniscus or ligament. Or it could be thrombophlebitis. Go see your doctor immediately. ...Read more

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Over the past 3 yrs. I've had dizziness, migraines, spasm, cognitive & memory problems, etc. Neg MRI, LP, nerve conduction test. What's wrong with me?

Over the past 3 yrs. I've had dizziness, migraines, spasm, cognitive & memory problems, etc. Neg MRI, LP, nerve conduction test. What's wrong with me?

Chronic headaches: Can be treated in various ways at headache clinics at some local hospitals. Your doc may refer you or search one out yourself. You can also consider natural approaches such as a food sensitivity panel from Great Plains Laboratory in KS. Peace and good health. Biofeedback and clinical hypnosis are also possibilities. ...Read more

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Feet are always numb and sometimes (mostly mornings and night) painful. Test for diabetic neg. Nerve conduction test neg. No spine prob. What tests needed?

Feet are always numb and sometimes (mostly mornings and night) painful. Test for diabetic neg. Nerve conduction test neg. No spine prob. What tests needed?

Not much left: You have eliminated a lot. Just a few more things to do. Consider doing bloodwork, if you haven't. Also consider a pad exam with a local area podiatrist. This is a noninvasive vascular assessment. ...Read more

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Can I have a muscle/nerve conduction test done by my neurologist with an ICD implant?

Is there problem?: Not clear why you might have any concern regarding an EMG test, which has no real absolute contra-indications. If your doctor feels this could be useful, allow this to be done. Doubt you will experience any more issues save mild discomfort due to techniques. ...Read more

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Altered sensation in trunk and limbs, nerve conduction test-normal, bloods ana-positive 160 titre and ena-negative, having mri, what does this mean?

Altered sensation in trunk and limbs, nerve conduction test-normal, bloods ana-positive 160 titre and ena-negative, having mri, what does this mean?

Not much: Not much to go on. Basically everything is normal. The tests so far rule out generalized peripheral nerve diseases and serious autoimmune diseases. The MRI will evaluate for central nervous system causes. ...Read more