Table 2 Nerve conduction studies showing abnormal facial nerve conduction, compatible with severe axonal neuropathy of the right and left facial nerve of acute evolution with involvement of its temporal, zygomatic, buccal, and mandibular branches
Site | NR | Onset (ms) | Norm Onset (ms) | O-P A P (mV) | P-T Am P (mV) | Norm O-P Am p | Site 1 | Site 2 | Delt a-0 (ms) | Dist (cm) | Vel (m/s) | Norm Vel (m/s) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right facial O. oculis | 4.4 | < 4.2 | 0.9 | 0.8 | > 5 | Right facial nasalis | Right facial O. oculis | 0.7 | > 50 | |||
Right facial nasalis | 5.1 | 0.5 | 1.1 | Right facial O. oris | Right facial nasalis | 1.3 | 0.0 | |||||
Right facial O. oris | 3.8 | 0.4 | 0.8 | Left facial O. oculis | Right facial O. oris | 0.8 | 0.0 | |||||
Left facial O. oculis | 3.0 | 0.0 | 0.3 | |||||||||
Left facial nasalis | 4.0 | 0.5 | 1.2 | |||||||||
Left facial O. oris | 4.3 | 0.1 | 0.1 |