Table 1

Neurophysiology and electromyography results

Sensory nerve conduction studies Amp (µV) CV (m/s)
Right radial—thumb—forearm12.644.9
Left radial—thumb—forearm6.340.7
Right median—digit II—wrist7.342.9
Right sural—lateral malleolus—calfNot recordableNot recordable
Left superficial personal—foot—lateral legNot recordableNot recordable
Motor nerve conduction studies DML (ms) CV (m/s) CMAP (mV) Minimal F-wave latency (ms)
Right median—APB
Wrist3.7510.3
Elbow1136.68
Axilla15.4531.59.3
Right common peroneal—EDBNot recordable
Right tibial—AHNot recordable
Left tibial—AHNot recordable
F- wave Mean F-wave latency (ms)
Right median—APB52.49
Right ulnar—ADM49.56
Left ulnar—ADM54.86
Left median—APB52.96
Electromyography Fibrillations Duration Amplitude Polyphasic Recruitment
Right biceps00NNN
Right FDIO00NNN
Right gastrocnemius10IncreasedIncreasedReduced, large units recruiting early
R vastus20IncreasedIncreasedNot assessable
  • ADM, adductor digiti minimi; AH, adductor hallucis; Amp, amplitude; APB, abductor pollicis brevis; CMAP, compound muscle action potential; CV, conduction velocity; DML, distal motor latency; EDB, extensor digitorum brevis; FDIO, first dorsal interosseous; N, normal.