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Electromyoneurography : ウィキペディア英語版
Electromyoneurography

Electromyoneurography (EMNG) is the combined use of electromyography and electroneuronography This technique allows for the measurement of a peripheral nerve’s conduction velocity upon stimulation (electroneurography) alongside electrical recording of muscular activity (electromyography). Their combined use proves to be clinically relevant by allowing for both the source and location of a particular neuromuscular disease to be known, and for more accurate diagnoses.
== Characteristics ==
Electromyoneurography is a technique that uses surface electrical probes to obtain electrophysiological readings from nerve and muscle cells. The nerve activity is generally recorded using surface electrodes, stimulating the nerve at one site and recording from another with a minimum distance between the two. The time difference of the potential is a measure of the time taken for the potential to travel the distance across the two sites and is a measure of the conduction velocity along the nerve. The amplitude of the potential, measured baseline to peak, or peak to peak, is a measure of the number of fibers conducting the response. Abnormality in data obtained from nerve measurements, such as absent or low amplitude, indicates potential nerve damage.
This technique is used in many medical fields today. One example of its use is to detect neuropathy due to diseases like diabetes mellitus. It can also be used to detect muscle weakness or paralysis due to sepsis or multi-organ failure in comatose patients. This method remains a largely used medical technique due to its efficiency and relative simplicity. It is especially attractive due to the lack of special precautions or preparation involved with this procedure. There is minimal pain and no significant risks except those associated with needle use.〔"Electroneuromyography." MedInstitute Y&C Institute of medical rehabilitation. MedInstitute, n.d. Web. 26 Apr 2013. .〕

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