Table 1:
Sensory | |||||
Nerve/site | Peak Latency (ms) | Amplitude (uV) | Ref Amplitude (uV) | Onset velocity (m/s) | Ref Velocity (m/s) |
Right median- digit II | |||||
Mid palm | 2.9 | 43.7 | > 45 | 41.5 | > 45 |
Wrist | 4.5 | 14.3 | > 13 | 45.3 | > 45 |
Right ulnar-digit V | |||||
Wrist | 3.7 | 17.9 | > 13 | 49.7 | > 45 |
Right sural-ankle | |||||
Calf | 5.1 | 8 | > 5 | 36.9 | > 40 |
Motor studies | |||||
Nerve/site | Latency (ms) | Ref Latency (ms) | Amplitude (mV) | Ref Amplitude (mV) | Velocity (Ref Velocity m/s) |
Right median-APB | |||||
Wrist | 6.1 | < 4.2 | 3.7 | > 4.5 | |
Elbow | 12.1 | 3.2 | > 4.5 | 39.2 (> 43) | |
Right ulnar-ADM | |||||
Wrist | 3.2 | < 3.9 | 6.7 | > 4.5 | |
Below elbow | 7.2 | 6.6 | > 4.5 | 58.1 (> 50) | |
Above elbow | 10.3 | 6.5 | > 4.5 | 56.9 (> 50) | |
Right peroneal-EDB | |||||
Ankle | 4.5 | < 5 | 1.8 | > 2.5 | |
Fib head | 14.8 | 1.7 | > 2.5 | 38 (> 40) | |
Pop fossa | 17.3 | 1.6 | 38 (> 39) | ||
Right tibial-AH | |||||
Ankle | 4.5 | < 6 | 2.2 | > 2.5 |
Ms: millisecond
uV: microvolt
m/s: meters/second