SF-EMG

single-fibre electromyography

A procedure used to evaluate the activity of single fibres of selected muscles (e.g., common extensor of fingers) displayed as an action potential on a cathode-ray oscilloscope.
Indications
Detection of early defects in neuromuscular junction diseases (e.g., myasthenia gravis, Eaton-Lambert syndrome, botulism) when a clinical (neurologic) exam is still normal.
Method
SF-EMG consists of insertion of small (25 µm in diameter) wire into a superficial muscle, and evaluation of muscle jitter and fibre density.

SF-EMG

Single fiber electromyography, see there.

单词	sf-emg
释义	SF-EMG single-fibre electromyography A procedure used to evaluate the activity of single fibres of selected muscles (e.g., common extensor of fingers) displayed as an action potential on a cathode-ray oscilloscope. Indications Detection of early defects in neuromuscular junction diseases (e.g., myasthenia gravis, Eaton-Lambert syndrome, botulism) when a clinical (neurologic) exam is still normal. Method SF-EMG consists of insertion of small (25 µm in diameter) wire into a superficial muscle, and evaluation of muscle jitter and fibre density. SF-EMG Single fiber electromyography, see there.
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