Doctor insights on:
Electromyography Nerve Conduction
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 moreSee 2 more doctor answers
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
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 moreSee 1 more doctor answer
No: Though there are limitations on what a nerve conductions test can show. If it shows something (and is done by a knowledgeable physician), it is definitely there. It may not be sensitive enough to pick up subtle changes. Not every nerve condition is detectable by this test. If done too soon after an injury (less than 3 weeks), may not show up. If symptoms are worsening, it is worth retesting. ...Read more
Maybe uncomfortable: Most patient's tell me it was not as painful as anticipated. The ncs involves electrical stimulation of the nerves, the EMG involves inserting a very small needle into several mucles. I think most patients describe the test as uncomfortable not painful. ...Read moreSee 1 more doctor answer
See below: The EMG portion uses a small needle to directly examine muscle function, and the nerve conduction part uses electrical shocks to measure nerve function. Together the study gives a good idea of the nature of the pathology and location, but can also assess the prognosis and character, and gives often guidance towards an eventual diagnosis. ...Read moreSee 1 more doctor answer
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 moreSee 1 more doctor answer
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 moreSee 1 more doctor answer
Well: Semmes Weinstein is the name of type of monofilament that is used to assess integrity of tactile stimulation to see if you might have a discrepancy or possible neuropathy. Nerve Conduction Study is a test that evaluates the speed of signals through nerves. If there is a slowing of nerves it can suggest abnormalities. ...Read more
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
Apart from the nerve conduction study, I was prescribed a diprofos injection, why was this prescribed, is my illness a serious one than I had realized?
Not possible to tell: You've been given a steroid prescription suggesting that you possess an INFLAMMATORY condition of some sort but that's all it tells us. Therefore, without more details it's impossible to say the level of severity of your condition. If you'd like to look me up at www.healthtap.com/drsaghafi to set up a virtual appointment or send me details through email I can help further. ...Read more
Test nerve function: They are a way to test the function of nerves in the body, looking for focal (like carpal tunnel) or generalized (like diabetic neuropathy) problems. They are performed by stimulating the nerve electrically (which feels like touching a doorknob after shuffling your feet on a carpet on a dry day), and recording the response. They are uncomfortable, but very helpful in clarifying a diagnosis. ...Read moreSee 1 more doctor answer
EMG: This test evaluates nerve and muscle fnctn to determine if it is normal. Testing of nerves involves applying an electrical shock over a nerve and recording the response over a muscle connected to the nerve. Results can be compared to normal values for voltage and velocity, and both motor and sensory function can be included. The muscle can directly be tested using a small needle. Very safe! ...Read more
Very Hard: I would suggest if you can't figure it out, you speak with the doctor that either ordered it or the doctor that performed it. Ask them to speak in lay terms with you. Otherwise unless you have prior medical background it will be another language for sure. ...Read more
See below: There is plenty of information about EMG/NCS studies on the Web. Start with http://www.medicinenet.com/electromyogram/article.htm. ...Read more
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 moreSee 1 more doctor answer
Yes. : Yes. The diagnosis of carpal tunnel syndrome (cts) has classically been made on clinical grounds, i.e. The symptoms and physical findings that the patient exhibits. Nerve conduction studies and electromyography (EMG) can be helpful in determining the severity of median nerve compression, but in patients with classical symptoms and signs, I do not believe they are necessary to make the diagnosis. ...Read moreSee 3 more doctor answers
Both needed: Both are performed at the same time and both are required for the most accurate diagnosis. ...Read more
Two part ? Whats 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 moreSee 1 more doctor answer
Gradual numbness beginning in left ulnar region, then right ulnar, now starting in left median and occasionally up the arm. Nerve conduction study ok.
Arm Numbness: Sounds concerning, there are several conditions that can cause bilateral arm numbness. Disk herniations, spinal stenosis, entrapment neuropathies, trauma, among others. Do you get this at night, so you feel it when you wake up? Do you have any weakness, or pain? Do you have any other medical conditions, such as diabetes? These questions will help your doctor to discover the cause. ...Read moreSee 1 more doctor answer
I'm having nerve conduction tests for carpal tunnel. Couldl the same test show guyons tunnel syndrome?
Possibly: Depends on how detailed the neurologist or other physician is in performing the emg/ncv's. If your referring physician explains the need for testing the ulnar nerve in guyon's canal it can be done... In my experience most ' routine' EMG 's of the upper extremity will note conduction 'slowing' @ the elbow( cubital tunnel) but not @ the wrist... Best of luck! ...Read more
Can charcot marie tooth disease be diagnosed by having all criteria but normal nerve conduction studies?
Subtypes: There are many subtypes of charcot-marie tooth disease, which appear differently on emg/nerve conduction studies. It would be unlikely to have CMT with completely normal studies. Genetic testing for CMT would give you a definative diagnosis and identify the subtype. A nerve biopsy is an alternate method of diagnosis, but has potential risk. ...Read moreSee 3 more doctor answers
My nerve conduction test says I have Large fibre sensory neuropathy or sensory ganglionopathy what does this mean?
I'm having a a nerve conduction studies test for possible cts will this show if the problem is in my neck or shoulder?
Discuss with MD: The nerve conduction study (ncs) will measure the speed of a signal through a nerve after being stimulated, this test is often coupled with an electromyogram (EMG) which can help us determine muscle involvement after prolonged decreased conduction from the neck. Symptoms can be from both the neck and wrist, these are tools that your doc may use with physical exam and history to help diagnose. ...Read more
I had a nerve conduction and EMG done yesterday. I now have pain in my hand is this normal and for how long could it continue if it is normal.
Emg: I assume that during the EMG the used needles in the hand. After a needle is placed in any muscle it is common to have pain for a few days. If you have large swelling with black and blue you would want to speak to the doctor. Usually, a little local ice application for 10 minutes works well. ...Read more
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 moreSee 1 more doctor answer
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?
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
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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