Electromyography (EMG): motor and sensory potentials
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Electromyography (EMG): motor and sensory potentials. These are large. They have a long duration. Fully referenced neurology checklist.
Neurogenic motor unit potentials (MUPs)
- These are large
- They have a long duration
- They are polyphasic (>4)
- They demonstrate reduced recruitment
Myopathic motor unit potentials (MUPs)
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Abnormal sensory nerve action potentials (SNAPs)
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Acronyms
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References
- Ropper AH, Brown RH. Principles of Neurology Eighth edition. McGraw Hill New York 2005 p1105-1106.
- Bertorini TE. Neuromuscular case studies. Butterworth Heinemann Philadelphia 2008 p44-46.
- Amato A, Russell JA. Neuromuscular disorders. McGraw Hill208 New York pp 390, 405.
- Amato A, Russell JA. Neuromuscular disorders. McGraw Hill2008 New York p 385-386.
- Bertorini TE. Neuromuscular case studies. Butterworth Heinemann Philadelphia. 2008 p207.
