From: A patient with McLeod syndrome showing involvement of the central sensorimotor tracts for the legs
SEPs with median nerve stimulation | SEPs with tibial nerve stimulation | ||||||
---|---|---|---|---|---|---|---|
Potential | Montage | Latency (ms) | Normal limit (ms) | Potential | Montage | Latency (ms) | Normal limit (ms) |
(1) N9o | EPi-EPc | 9.6 | 9.7 | (1) N8o | Pfi-K | 7.4 | 8.7 |
(2) N11o | C5s-Fz | 11.1 | 11.6 | (2) N21 | L1 s-Icc | 21.2 | 26.7 |
(3) N13o | C5s-Fz | 13.3 | 13.7 | (3) P38o | Cz’-Fz | 40.7 | 38.2 |
(4) N20o | C3’-Fz | 17.4 | 18.0 | (4) P38 | Cz’-Fz | 47.9 | 44.7 |
 |  | Conduction time (ms) |  |  |  | Conduction time (ms) |  |
CSCT [(4)–(3)] |  | 4.1 | 4.8 | CSCT [(3)–(2)] |  | 19.5 | 13.2 |