What is the role of EMG and nerve conduction studies in the workup of hypoventilation syndromes?

Updated: Jul 22, 2021
  • Author: Jazeela Fayyaz, DO; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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Answer

Electromyography (EMG) and nerve conduction velocity study are useful in diagnosing neuromuscular disorders, such as myasthenia gravis, Guillain-Barré syndrome, and amyotrophic lateral sclerosis, that may be the cause of ventilatory muscle weakness. These studies may reveal a neuropathic or myopathic pattern, depending on the etiology.


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