Table 1 Nerve conduction studies (NCS)
NCS 02 September 2018 | NCS 16 September 2018 | |||||
|---|---|---|---|---|---|---|
Motor nerve conduction study | ||||||
Nerve | Latency (ms) | Amplitude (mV) | CV (m/s) | Latency (ms) | Amplitude (mV) | CV (m/s) |
Left median | ||||||
Wrist | 5.3 | 2.2 | 48.3 | NR | NR | NR |
Elbow | 9.7 | 2.1 | ||||
Right median | ||||||
Wrist | NR | NR | NR | NR | NR | NR |
Elbow | ||||||
Left ulnar | ||||||
Wrist | 3.7 | 5.6 | 41.9 | 4.3 | 0.3 | NR |
Below elbow | 8.9 | 5.5 | NR | NR | ||
Right ulnar | ||||||
Wrist | 4.6 | 4.0 | 46 | 5.3 | 1.0 | 44 |
Below elbow | 9.6 | 3.9 | 10.4 | 0.5 | ||
Left peroneal | ||||||
Ankle | 4.2 | 7 | 41.4 | 6.3 | 1.0 | 40.2 |
Head of fibula | 14.2 | 5.3 | 14.8 | 0.5 | ||
Right peroneal | ||||||
Ankle | 4.3 | 3.6 | 33.3 | 6.9 | 0.7 | NR |
Head of fibula | 16.2 | 1.7 | NR | NR | ||
Left tibial | ||||||
Ankle | 3.9 | 15.1 | 33.5 | 8.5 | 0.7 | 40.2 |
Popliteal fossa | 16.6 | 6.9 | 17.4 | NR | ||
Right tibial | ||||||
Ankle | 4.4 | 10.4 | 33.9 | 7.6 | 0.5 | 33.5 |
Popliteal fossa | 16.6 | 5.1 | 18.1 | 0.5 | ||
F waves | Latency (ms) | Latency (ms) | ||||
Left median | 37.5 | NR | ||||
Right median | NR | NR | ||||
Left ulnar | 33.3 | 46.4 | ||||
Right ulnar | 33.5 | NR | ||||
Left peroneal | 53.1 | 56.9 | ||||
Right peroneal | 52.3 | 61.0 | ||||
Left tibial | 59.0 | 66.6 | ||||
Right tibial | 60.0 | 69.7 | ||||
Sensory nerve conduction study | ||||||
Sensory nerves | Peak latency | Amplitude (mV) | CV | Peak latency | Amplitude (mV) | CV |
Right median | NR | NR | NR | NR | NR | NR |
Left median | 2.4 | 6.7 | 58.8 | NR | NR | NR |
Right ulnar | 3.8 | 5.8 | 32.6 | NR | NR | NR |
Left ulnar | 2.5 | 7.3 | 48.4 | NR | NR | NR |
Right sural | 2.3 | 6.0 | 53.9 | NR | NR | NR |
Left sural | 2.4 | 6.1 | 59.4 | NR | NR | NR |