From: Unusual presentation of hereditary neuropathy with liability to pressure palsies
Nerve | Stimulation Site | Record | Amplitude (mV) | DL (msec) | CV (m/sec) |
---|---|---|---|---|---|
Sensory nerve conduction studies | |||||
Median | Wrist/midpalm | D2 | Absent | Absent | - |
Ulnar | Wrist | D5 | Absent | Absent | - |
Sural | Calf | Ankle | 18 | 4.1 | 14 |
Motor nerve conduction studies | |||||
---|---|---|---|---|---|
Ulnar | Wrist | Thenar | 1.1 | 4.5 | Â |
Ulnar | Wrist | ADM | 3.5 | 5.0 | Â |
Ulnar | Below Elbow | ADM | 3.5 | 8.0 | 51 |
Ulnar | Above Elbow | ADM | 3.5 | 10.3 | 53 |
Ulnar | Wrist | FDI | 2.3 | 6.1 | Â |
Ulnar | Below Elbow | FDI | 1.8 | 9.2 | 41 |
Ulnar | Above Elbow | FDI | 1.7 | 12.1 | 48 |
Ulnar | Wrist | Interosseous | 0.3 | 7.0 | Â |
Median | Wrist | Lumbrical | 0.4 | 13.9 | Â |
Median | Wrist | APB | 4 | 14.1 | Â |
Median | Elbow | APB | 4 | 18.9 | 46 |
Tibial | Ankle | AH | 14 | 5.7 | Â |
Tibial | Knee | AH | 10 | 13.4 | 46 |
Peroneal | Ankle | EDB | 5.9 | 6.3 | Â |
Peroneal | Below knee | EDB | 5.5 | 12.5 | 43 |
Peroneal | Above knee | EDB | 5.4 | 14.2 | 54 |
Late responses | |||||
---|---|---|---|---|---|
Ulnar F wave | Wrist | ADM | Â | 34.3 | Â |
Tibial F-wave | Ankle | AH | Â | 51.7 | Â |
Peroneal F-wave | Ankle | EDB | Â | 49.7 | Â |
Tibial H reflex | Knee | Soleus | 4 | 28.6 | Â |