![]() ![]() This is the electrical activity from your muscles, changed into sound waves. During the test, you will hear a crackling speaker sound. EMG testing may be done on several different muscles (but each muscle will be tested on its own). ![]() The EMG doctor will then insert a small needle into your muscle in order to record your muscle’s electrical activity. First, a small metal disc (about the size of a fifty-cent piece) will be taped to your skin. The second part of the test is an EMG designed to study your muscles. The nerve conduction study consists of the following components: Some of the common disorders which can be diagnosed by nerve conduction studies are: A physical exam and thorough history also help to direct the investigation. The type of study required is dependent in part by the symptoms presented. Nerve conduction studies are used mainly for evaluation of paresthesias (numbness, tingling, burning) and/or weakness of the arms and legs. It should be noted that the electrical current produces a tingling sensation that may be slightly uncomfortable to some. This process will be repeated over several areas and may also be done at different sites along the nerve. A small electrical current is then used to stimulate the nerve. This is done by taping small metal disks to the skin over the nerve area to be tested. The goal of the test is to study your nerves. ![]() Nerve conduction studies are preformed first. ![]()
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