Table 1.
Electrophysiological findings of three patients.
| Motor nerve | Patient1 (F1‐III‐5) | Patient2 (F2‐IV‐5) | Patient3 (S1) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| MCV (m/s) | dL (ms) | CMAP (mV) | MCV (m/s) | dL (ms) | CMAP (mV) | MCV (m/s) | dL (ms) | CMAP (mV) | ||
| L Median | E‐W | 54 | 3.9 | 56.7 | 9.6 | 42.4 | 13.0 | |||
| W‐APB | 4.1 | 4.1 | 3.1 | 10.0 | 5.3 | 14.2 | ||||
| R Median | E‐W | 50.8 | 5.2 | 50.9 | 10,4 | 43.7 | 6.9 | |||
| W‐APB | 4.1 | 6.2 | 3.5 | 11.6 | 4.8 | 8.3 | ||||
| L Peroneal | FH‐A | 37 | 2.9 | 36.9 | 0.9 | 28.7 | 0.8 | |||
| A‐EBD | 5.0 | 3.2 | 5.9 | 1.3 | 6.6 | 0.8 | ||||
| R Peroneal | FH‐A | 33.5 | 2.2 | 37.4 | 0.9 | ND | ||||
| A‐EBD | 5.4 | 2.0 | 6.3 | 3.4 | ||||||
| L Tibial | PF‐A | 35.4 | 1.6 | 37.3 | 8.2 | ND | ||||
| A‐AA | 3.8 | 3.2 | 3.9 | 10.4 | ||||||
| R Tibial | PF‐A | 38.0 | 2.4 | 37.2 | 4.1 | 33.5 | 4.3 | |||
| A‐AA | 5.1 | 3.2 | 5.1 | 6.9 | 7.3 | 4.7 | ||||
| Sensory nerve# | SCV (m/s) | SNAP (μV) | SCV (m/s) | SNAP (μV) | SCV (m/s) | SNAP (μV) | |
|---|---|---|---|---|---|---|---|
| L‐Median | IIIF‐W | 42.3 | 4.9 | 56.9 | 13.5 | 34.4 | 7.3 |
| R‐Median | IIIF‐W | 40.5 | 5.4 | 57.8 | 12.2 | 37.9 | 8.2 |
| L Ulnar | VF‐W | 40.7 | 5.0 | 52.3 | 12.1 | 35.7 | 8.6 |
| R Ulnar | VF‐W | 38.5 | 5.1 | 49.2 | 10.5 | 36.3 | 4.6 |
| L‐Medial Plantar | Pl‐MM | 44.8 | 6.1 | ND | 33.5 | 6.0 | |
| R‐Medial Plantar | Pl‐MM | 58.5 | 7.6 | 49.1 | 11.0 | 37.8 | 7.0 |
| L‐Sural | A‐MLL | ND | ND | 51.3 | 2.5 | 31.5 | 2.5 |
| R‐Sural | A‐MLL | ND | ND | ND | ND | \ |
For each nerve, data from both sides are shown. MCV, motor nerve conduction velocity; CMAP, compound motor action potential; dL, distal motor latency; SCV, sensory nerve conduction velocity; SNAP, sensory nerve action potential; ND, not done; E, elbow; W, wrist; Ab. E–Bel. E, above elbow–below elbow; APB, abductor pollicis brevis; ADM, abductor digiti minimi; PF, popliteal fossa; A, ankle; MLL, middle lower leg; FH, fibula head; TA, tibialis anterior; EDB, extensor digitorum brevis; AA, abductor allucis; IIIF, third finger; VF, fifth finger; Pl, plantae; MM, malleolus medialis; R, right; L, left; # Near‐nerve recording.