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Table 3 Motor nerve conduction studies

From: Acute motor-sensory axonal polyneuropathy variant of Guillain–Barre syndrome complicating the recovery phase of coronavirus disease 2019 infection: a case report

Nerve–muscle stimulus site Stimulus site Latency (milliseconds) Distance (cm) Amplitude (mV) NCV (m/second) F-LAT (milliseconds) Duration (milliseconds)
Right Left Right Left Right Left Right Left Right Left Right Left
Median—APB Wrist   5.7   7.0   6.2       
Median—APB Elbow   9.8   22.0   5.6   54.0     
Ulnar—ADM Wrist   3.3   7.0   6.2     34.3   
Ulnar—ADM B.Elbow   7.5   21.0   5.5   50.0     
Ulnar—ADM A.Elbow   9.3   10.0   4.9   56.0     
Tibial—AHL Ankle   7.2   10.0   1.3       
Tibial—AHL Popliteal fossa   19.6   40.0   0.9   32.0     
Peroneal—EDB Ankle   6.2   7.0   0.7       
Peroneal—EDB Fibula head   13.5   29.0   0.8   40.0     
Peroneal—EDB Popliteal fossa   15.6   8.0   0.7   38.0     
  1. APB abductor pollicis brevis, ADM abductor digiti minimi, B.Elbow below elbow, A.Elbow above elbow, AHL abductor hallucis longus, EDB extensor digitorum brevis, F2 finger 2, F5 finger 5, NR not recorded, NCV nerve conduction velocity