TRADITIONAL METHODS OF DIAGNOSIS: One way to diagnose CTS is through electromyography (EMG). This method involves inserting a needle electrode into muscles in the area of concern, reading electrical activity on a screen, and listening to the activity through a speaker. While electromyography is critical for the evaluation of muscle diseases, electromyography also helps in the assessment of nerve diseases since nerve problems will frequently affect the muscles in specific ways. EMG can be uncomfortable and even painful because of the needle insertion. Another way to screen for CTS is through nerve conduction velocity (NCV), which uses electrodes to test of the speed of signals through a nerve. Although the NCV test can be uncomfortable, it lacks the pain and soreness resulting from EMG.
ANOTHER KIND OF TEST: The NC-stat test is a portable electrodiagnostic test that screens for neuropathies like CTS. The test is manufactured by NEUROMetrix, Inc. and measures neuromuscular signals that are useful in the diagnosis and evaluation of nerve entrapment affecting functions of the hand. The test is painless and results are available in about five minutes.
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