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Myasthenia gravis – autoimmune disorder that affects the body’s voluntary muscles, especially the eyes, mouth, throat, and limbs.

Muscular dystrophy - characterized by weakness and breakdown of muscle tissue, with or without deterioration of nerve tissue.

Lambert-Eaton syndrome – causes the immune system to attack the neuromuscular junctions (connections between muscles and nerves), leading to impaired muscle control.

Guillain-Barré syndrome – a potentially life-threatening disorder that causes the body’s immune system to attack the peripheral nervous system.

Cervical spondylosis (arthritis of the neck) – degeneration of the cervical spine that causes compression of the spinal cord and nerve roots.Carpal tunnel syndrome – compression of a nerve in the wrist that may lead to pain, weakness, and numbness in the hands.Amyotrophic lateral sclerosis (ALS) – progressive degeneration of nerves in the spinal cord and brain that may ultimately lead to difficulty breathing, difficulty swallowing, and paralysis.Specialists at the Division of Neuromuscular Disease and Electromyography use EMG tests to diagnose a wide variety of neuromuscular diseases, motor problems, nerve injuries, or degenerative conditions, such as: The Brigham and Women’s Hospital (BWH) Division of Neuromuscular Disease and Electromyography (EMG) provides comprehensive diagnostic evaluation, consultation, and management of all neuromuscular disorders, including motor neuron disease (ALS), peripheral neuropathies, myopathies, muscular dystrophy, and myasthenia gravis.Ĭurrently, we offer comprehensive neuromuscular services, including EMG, at the main BWH campus in Boston and EMG and other diagnostic services at Brigham and Women's/Massachusetts General Health Care Center. EMG Testing at Brigham and Women’s Hospital An NCV helps to differentiate a nerve disorder from a muscle disorder.

The electrode will detect electrical activity and results will be displayed on a nearby monitor (oscilloscope).Ī nerve conduction velocity (NCV) test is often performed at the same time as an EMG. Once the electrode is in place, the patient will be asked to either contract their muscles or keep their muscles relaxed. What is an EMG Test?ĭuring an EMG test, a very thin needle (electrode) will be inserted through the skin and into the muscle. Electromyography (EMG) is a diagnostic test that helps detect neuromuscular abnormalities by measuring electrical activity in the muscles.