C2-1 | C2-2 | C12 | C64 | C10 | C13 | Normal | ||
---|---|---|---|---|---|---|---|---|
MNC: | ||||||||
Median | Ampl (mV) | 4 | 0.8 | 0.6 | 0.8 | 1.0 | 0.2 | |
DL (ms) | 4.6 | 4.4 | 6.6 | 5.7 | 4.8 | 8.6 | ||
CV (m/s) | 36 | 33 | 29 | 31 | 29 | 21 | ||
Peroneal | Ampl (mV) | 2.5 | 0.4 | NE | NE | NE | NE | |
DL (ms) | 7.4 | 5.1 | NE | NE | NE | NE | ||
CV (m/s) | 38 | 30 | NE | NE | NE | NE | ||
SNC: | ||||||||
Sural | Ampl (mV) | 2 | 4 | NE | 0.5 | NE | NE | |
DL (ms) | 3.6 | 2.9 | NE | 8.1 | NE | NE | ||
CV (m/s) | 31 | 31 | NE | 22 | NE | NE | ||
BAERs: | ||||||||
Right | I (ms) | 1.58 | 2.20 | 1.82 | 1.68 | 1.52 | 1.41 | <1.73 |
III (ms) | 4.54 | 4.58 | 4.63 | 4.61 | 3.12 | 2.89 | <3.79 | |
V (ms) | 6.14 | 7.22 | 6.87 | 6.24 | 5.25 | 4.97 | <5.72 | |
Left | I (ms) | 1.72 | 1.62 | 1.98 | 1.85 | 1.43 | 1.51 | <1.73 |
III (ms) | 4.24 | 4.60 | 4.75 | 4.79 | 2.98 | 3.13 | <3.79 | |
V (ms) | 6.20 | 6.22 | 7.31 | 6.87 | 4.95 | 4.87 | <5.72 | |
VEPs: | ||||||||
Right | Lat (ms) | 111.5 | 95.5 | NP | 112.2 | NP | NP | 80–108 |
Left | Lat (ms) | 97 | 110 | NP | 110.8 | NP | NP | R-L<8 |
MNC=Motor nerve conduction; Ampl=amplitude; DL=distal latency; CV=conduction velocity; SNC=sensory nerve conduction, BAERs=brain stem auditory evoked responses: waves I, III, and V; VEPs=visual evoked potentials; Lat=latency; NE=not evoked; NP=not performed.