Other common diagnoses made on EMG include post-traumatic nerve injuries, cubital tunnel syndrome, and brachial plexopathies. For cervical or lumbar radiculopathy, the sensitivity is less and can range from 50 to 70 percent. A negative EMG can essentially rule out this diagnosis. Define the pathophysiology (what part of the nerve is affected)Įlectrodiagnostic testing is up to 95 percent sensitive in detecting peripheral nerve compression, such as carpal tunnel syndrome.A timely and accurate diagnosis for the cause of these symptoms can lead to an appropriate treatment plan and reduce lost time from work. Pain, numbness, or weakness are common presenting symptoms in the injured worker. EnkeĮlectrodiagnostic testing (EMG and nerve conduction studies) can play in important role in the correct diagnosis of work-related injuries.
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