Results of electrophysiological examination in case 7
Sensory | 1st examination | 2nd examination | 3rd examination | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
SAP(μV) | SCV(m/s) | SAP(μV) | SCV(m/s) | SAP(μV) | SCV(m/s) | ||||||
Median (digit II-wrist) | |||||||||||
Right | 3.8 | 65 | 1.8 | 67 | 2.7 | 61 | |||||
Left | − | − | − | − | 2.6 | 58 | |||||
Ulnar (digit V-wrist) | |||||||||||
Right | 0 | 0 | 0 | ||||||||
Left | − | − | − | − | 3.3 | 50 | |||||
Radial (forearm-lst dorsal interosseous space) | |||||||||||
Right | 27 | 51 | 12 | 61 | 7.2 | 58 | |||||
Left | − | − | − | − | 0 | ||||||
Sural (lateral malleolus-calf) | |||||||||||
Right | 7.1 | 4.6 | 2.2 | 44 | 1.6 | 44 | |||||
Left | − | − | − | − | 7.2 | 31 |
Motor nerve conduction studies in the right median, right ulnar and right peroneal nerves were normal in all three examinations. SAP = sensory action potential amplitude (normal > 5μV); SCV = sensory nerve conduction velocity (normal > 48 m/s in arm and > 38 m/s in leg); − denotes not examined.