EMG (Electromyography) and Nerve Conduction Studies



EMG (Electromyography) and Nerve Conduction Studies












Table 7. EMG findings in neuromuscular diseases.


























































  Conduction Velocity Amplitude F & H Latency Distal Latency Fibrillations
Axonal damage >70% ↓ ~↑ nl ↑
PNS demyelination <50% ~↓ ↑ ~↑ Variable
LMN dz >70% ↓ motor ~c nl ↑
UMN dz nl nl nl nl None
Radiculopathy >80% ~↓ ↑ nl ↑
NMJ dz nl nl/↓ nl nl None
Myopathy nl ~↓ nl nl None

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Jun 12, 2016 | Posted by in NEUROLOGY | Comments Off on EMG (Electromyography) and Nerve Conduction Studies

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