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Table 4 The results of nerve conduction and needle EMG

From: Acute autonomic neuropathy with severe gastrointestinal symptoms in children: a case series

MCV (n, %) SCV (n,%) Needle EMG (n,%)
Nerve n CV   AMP Nerve n CV   AMP Muscle n Prolongation of MUAP duration FP, PSP Abnormal RP
N R   N R N R   N R monophase
CPN 10 10 (100%) 0   10 (100%) 0 SN 10 8 (80%) 2 (20%)   9 (90%) 1 (20%) BB 10 2 (20%) 3 (30%) 2 (20%)
TN 10 9 (90%) 1 (10%)   10 (100%) 0 MN 10 9 (90%) 1 (10%)   8 (80%) 2 (20%) ATM 8 1 (12.5%) 3 (37.5) 2 (25%)
MN 10 9 (90%) 1 (10%)   9 (90%) 1 (10%) UN 10 9 (90%) 1 (10%)   8 (80%) 2 (20%) QFM 9 2 (22.22%) 3 (33.33%) 2 (22.22%)
UN 10 9 (90%) 1 (10%)   9 (90%) 1 (10%)         EDCM 9 3 (33.33%) 1 (11.11%) 1 (11.11%)
  1. AMP Amplitude, ATM anterior tibial muscle, BB biceps brachii, CPN common peroneal nerve, CV conduction velocity, EDCM extensor digitorum communis muscle, EMG electromyogram, FP fibrillation potential, MCV motor conduction velocity, MN median nerve, MUAP motor unit action potential, N normal, PSP positive shape potential, QFM quadriceps femoris muscle, R reduced, RP recruitment pattern, SCV sensory conduction velocity, SN sural nerve, TN tibial nerve, UN ulnar nerve