For example, if the biceps muscles are being assessed, then the patient will be asked to flex their arms. Then the patient will be asked to contract the muscles. Once the needles are in place, a reading will be taken with the muscle at rest. Usually, multiple needles need to be inserted into large muscles. This helps the doctor visualise the electrical impulses as a wave form. A tiny needle that serves as an electrode is inserted into the muscle in question, and is connected to a device called an oscilloscope. The procedure is performed as an outpatient. Other conditions where it may be used include carpal tunnel syndrome, inherited muscle dystrophies, peripheral neuropathy and alcoholic neuropathy. It can point the doctor towards a diagnosis so that the right treatment can be administered. The main reason to perform this test is to investigate the reason for muscle weakness. IndicationsĮlectromyography is used to diagnose neuromuscular conditions such as myasthenia gravis, muscular dystrophy and amyotropic lateral sclerosis. Electromyography can help detect abnormal muscle electrical activity, which can help diagnose problems with the muscle tissues. Normally, when muscles contract, they generate a burst of electrical activity. Schedule an appointment on our Contact section, check the nearest clinic and get the best treatment today.Electromyography (also called EMG) is a diagnostic test that assesses the function of the muscles and the nerves that supply the muscles and control its function. Our doctors are prepared to deliver the best care. It affects all the muscles you use to move, speak, eat and breathe.Īt Greater Houston and Greater Victoria Interventional Pain Management we provide EMG/NCV studies. Amyotrophic lateral sclerosis (ALS), a progressive disease that attacks the nerve cells in your brain and spinal cord.Charcot-Marie-Tooth disease, an inherited disorder that causes nerve damage, especially in the arms and legs.Muscular dystrophy, a hereditary disease that severely affects muscle structure and function.Myasthenia gravis, a rare disorder that causes muscle fatigue and weakness.Most people recover from this condition after treatment It can cause numbness, tingling and paralysis. Guillain-Barré syndrome, an autoimmune disease that affects the nerves.This puts pressure on the spine, causing pain and numbness Herniated disc, a condition in which a part of the spine called the disc becomes damaged.It is usually not serious, but can be painful. Carpal tunnel syndrome, a condition that affects the nerves in the hand and arm.Depending on which muscles or nerves are affected, our doctors may indicate that it may be due to one of the following: If your results were not normal, it may indicate a variety of different conditions. Which conditions can be diagnosed with EMG and NCV?
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