You might experience minor bruising where the needle was inserted into your muscle, but it should fade within several days. Results from the studies may take two to three days to complete. Nerve-to-muscle signal transmission problemsīasically, any problems that may damage muscle tissue and nerves, such as herniated discs or amyotrophic lateral sclerosis (ALS).Īlternatively, a nerve conduction study is usually done to identify problems within the peripheral nervous system.These diagnostic tests may be administered to patients suffering from: How Does EMG Work?Īn EMG analyzes electrical activity when muscles are in use and at rest, while a nerve conduction study measures how quickly and efficiently the nerves in your muscles send electrical signals. Electromyogram (EMG) and nerve conduction studies measure electrical activities in your muscles.
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