Table 1. Nerve conduction study of the patient in 1st episode, follow-up, and 2nd episode.
Motor | Site | Presentation | Latency, m/s | CMAP, mV | NCV, m/s |
---|---|---|---|---|---|
Median | Wrist | 1st episode | 3.7/3.4 (range, < 4.4) | 2.1/2.5 (range, > 5K) | 56.9/61.2 (range, > 49) |
f/u after 1st episode | 3.0/3.1 | 5.1/4.9 | 59.2/58.0 | ||
2nd episode | 3.6/3.2 | 1.0/1.5 | 56.5/62.5 | ||
Elbow | 1st episode | 2.4/2.3 | 58.4/59.0 | ||
f/u after 1st episode | 5.0/4.9 | 60.2/59.4 | |||
2nd episode | 1.7/1.5 | 57.4/62.5 | |||
Axillary | 1st episode | 2.3/2.2 | 61.0/62.5 | ||
f/u after 1st episode | 5.1/4.8 | 62.1/62.4 | |||
2nd episode | 1.7/1.8 | 60.3/63.1 | |||
Ulnar | Wrist | 1st episode | 2.4/2.2 (range, < 3.3) | 2.4/2.8 (range, > 5K) | 59.1/60.2 (range, > 49) |
f/u after 1st episode | 2.2/2.1 | 5.4/5.0 | 60.4/62.0 | ||
2nd episode | 2.5/2.3 | 1.5/1.9 | 58.7/59.4 | ||
Elbow | 1st episode | 2.5/2.9 | 58.5/59.7 | ||
f/u after 1st episode | 5.3/5.1 | 60.1/61.4 | |||
2nd episode | 1.5/1.8 | 58.2/61.4 | |||
Axillary | 1st episode | 2.3/2.6 | 60.5/61.6 | ||
f/u after 1st episode | 5.2/5.4 | 61.1/62.0 | |||
2nd episode | 1.4/1.8 | 60.4/61.5 | |||
Peroneal | Ankle | 1st episode | 4.2/4.5 (range, < 5.3) | 1.5/1.6 (range, > 2K) | 44.1/44.0 (range, > 43) |
f/u after 1st episode | 4.1/4.2 | 2.0/2.1 | 45.2/45.5 | ||
2nd episode | 4.3/4.4 | 1.2/1.3 | 43.9/43.2 | ||
Knee | 1st episode | 1.4/1.6 | 43.5/44.2 | ||
f/u after 1st episode | 1.9/2.1 | 45.1/44.5 | |||
2nd episode | 1.1/1.2 | 45.3/44.4 | |||
Tibial | Ankle | 1st episode | 5.0/5.2 (range, < 5.4) | 2.5/2.3 (range, > 5K) | 42.0/41.2 (range, > 41) |
f/u after 1st episode | 4.9/4.8 | 43.0/42.2 | |||
2nd episode | 5.1/5.2 | 1.0/1.1 | 41.5/41.3 | ||
Knee | 1st episode | 2.4/2.2 | 42.1/42.4 | ||
f/u after 1st episode | 4.9/4.7 | 43.1/42.5 | |||
2nd episode | 1.5/1.8 | 42.2/42.6 |
Data shown are right/left.
CMAP = compound muscle action potential, NCV = nerve conduction velocity, f/u = follow-up.