Nerve conduction studies in patients 3 and 19 (group A). Conduction studies were performed with needle electrodes according to Behse and Buchtal32
Patient 3 | Patient 19 | Normal values | |
---|---|---|---|
Median nerve: | |||
Motor conduction | |||
Distal latency (ms) | 3.7 | 4 | 3.93-150 |
Distal potential amplitude (mV) | 12 | 21.1 | 83-151 |
Conduction velocity (m/s): | |||
Elbow-wrist | 60.9 | 55 | 543-151 |
Sensory conduction: | |||
Potential amplitude (μV) | |||
At wrist | 8.8 | 10.3 | 63-151 |
At elbow | 2.5 | 6.3 | 2.53-151 |
Conduction velocity (m/s): | |||
Digit III-wrist | 42.5 | 49 | 513-151 |
Wrist-elbow | 64.1 | 58.2 | 603-151 |
Tibial nerve: | |||
Motor conduction | |||
Distal latency (ms) | 6.7 | 4.1 | 4.83-150 |
Distal potential amplitude (mV) | 4.85 | 6.6 | 63-151 |
Conduction velocity (m/s) | |||
Popliteal fossa-internal malleolus | 40.2 | 44.2 | 523-151 |
Sensory conduction | |||
Potential amplitude (μV) | |||
At internal malleolus | 0.5 | 0.62 | 0.33-151 |
At popliteal fossa | 0.5 | 0.33 | 0.23-151 |
Conduction velocity (m/s) | |||
1st toe-internal malleolus | 30.7 | 30.3 | 383-151 |
Internal malleolus-popliteal fossa | 55.7 | 52.8 | 493-151 |