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A brain and nervous system(neurological) examination may show evidence of injury to other nerves. However, it is very difficult to directly test for autonomic nerve damage.Abnormal sounds in the abdomen, indicating decreased gastric movement(motil...
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During a physical examination, a health care provider studies a patient''s body to determine the presence or absence of physical problems.
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The Valsalva maneuver is performed by attempting to forcibly exhale while keeping the mouth and nose closed. It is used as a diagnostic tool to evaluate the condition of the heart and is sometimes done as a treatment to correct abnormal heart rhyt...
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A gastric emptying scan(GES) is an x-ray exam using special radioactive material that allows physicians to identify abnormalities related to emptying of the stomach. Diseases that involve changes in the way the stomach contracts(motility disorders...
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Electromyography(EMG) is a test that checks the health of the muscles and the nerves that control the muscles.
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Electromyography(EMG) is an electrical recording of muscle activity that aids in the diagnosis of neuromuscular disease.Muscles are stimulated by signals from nerve cells called motor neurons. This stimulation causes electrical activity in the mus...
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Electromyography(EMG) is used to detect, process, and record electrical muscle activity in order to aid in the diagnosis of neuromuscular disease.EMG is performed most often to help diagnose different neuromuscular diseases causing weakness. EMG c...
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Electromyography(EMG) is an electrical recording of muscle activity that aids in the diagnosis of neuromuscular disease, which affects muscle and peripheral nerves.Muscles are stimulated by signals from nerve cells called motor neurons. This stimu...
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A nerve conduction study is a test that measures the movement of an impulse through a nerve after the deliberate stimulation of the nerve.The ability of a nerve to swiftly and properly transmit an impulse down its length, and to pass on the impuls...
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Electromyography (EMG) and nerve conduction studies (NCS) are tests that measure muscle and nerve function. In most cases, both tests are performed. NCS is most often done first.
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