can emg detect pinched nerve?
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EMGs can detect abnormal muscle electrical activity in many diseases and conditions. It is particularly useful in conditions such as muscle inflammation or myositis, pinched peripheral nerves like carpal tunnel syndrome, disc herniation with pinched nerves, ALS, and many more conditions.
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If the nerve is compressed or irritated in the spine, it can cause all kinds of symptoms, including pain, numbness, Restless Leg Syndrome and involuntary movement disorders, just to name a few. The nerves are the body's electrical system.
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Yes. There is some discomfort at the time the needle electrodes are inserted. They feel like shots (intramuscular injections), although nothing is injected during an EMG. Afterwards, the muscle may feel a little sore for up to a few days.
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Tingling in the head and neck When a nerve in the neck becomes irritated, it can cause pain and tingling in the neck or head. Herniated discs and bone spurs can result in a pinched nerve. This can lead to neck tingling, known as cervical radiculopathy.
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A pinched or damaged nerve in your spine may lead to blurred vision or headaches, loss of hearing, slurred speech, and bowel and bladder problems, to name a few.
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Pinched median nerve A pinched nerve occurs when too much pressure is applied to a nerve by surrounding tissues, such as bones, cartilage, muscles or tendons. This pressure disrupts the nerve's function, causing pain, tingling, numbness or weakness. A pinched nerve can occur at a number of sites in your body.
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Symptoms. While often not the first symptom described, many individuals with a pinched nerve in the neck suffer from headaches. When the upper nerve roots are involved, the headache is described as a cervicogenic headache. 3﻿ However, headaches caused by lower nerves in the neck are more common.
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The nerves to the lower extremities branch directly off the lower spine. So it's easy to see how a pinched nerve, perhaps due to a bulging lumbar disc in the lower back, could direct pain down that nerve branch and into the knee.
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An EEG records the electrical waves of the brain. ... An EMG evaluates nerve and muscle function in the arms or legs (that may reflect what is happening in the brain, neck or back) and is usually done in conjunction with a Nerve Conduction Velocity test (NCV).
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How is Erb's Palsy diagnosed? The diagnosis is based on the physical examination and certain tests. These tests usually include an EMG (to test the integrity of the nerve and muscle fibers) and an imaging study (MRI or CT – myelogram).
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Pinched nerves in the cervical spine can cause neck pain, tingling, and numbness that radiates to the shoulders, arms and hands. The pain may become worse when you move your neck, cough, or laugh. Your neck muscles may spasm. Your arms may feel weak.
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A pinched nerve in the neck can cause radiculopathy. Symptoms of radiculopathy can include numbness, tingling, weakness, and pain into the arm.
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After an EMG, you may be sore and have a tingling feeling in your muscles for up to 2 days. You may have small bruises or swelling at the needle site.
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The test can also measure the ability of peripheral nerves to conduct impulses. EMG results are usually normal in multiple sclerosis (MS) patients, as MS doesn't affect the peripheral nervous system. EMG — See Electromyography.
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Pinched nerves can affect several areas of your body: A pinched nerve in the cervical spine can give you a stiff neck, and the pain and numbness can affect the shoulder and arm. A pinched lumbar nerve in the lower back can cause pain in your back, hips, buttocks and legs.
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Muscle spasm in the back commonly accompanies pinched nerves and can be quite painful. Sometimes, nerves can be pinched and the only symptoms may be numbness and weakness in the arm or leg without pain. Other symptoms include tingling, burning, electric, and a hot/cold sensation.
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Symptoms of Cervical Radiculopathy Pain is the most common symptom of cervical radiculopathy. It spreads into the neck, arm, shoulders, chest, and/or upper back. People suffering from pinched nerve experience different types of pain.