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Fig. 1 | BMC Neurology

Fig. 1

From: Miller Fisher syndrome, Bickerstaff brainstem encephalitis and Guillain-Barré syndrome overlap with persistent non-demyelinating conduction blocks: a case report

Fig. 1

Serial motor conduction recordings of the right median nerve. Superimposed compound muscle action potentials (CMAPs) recorded from the abductor pollicis brevis after median nerve stimulation at wrist, elbow, axilla and Erb’s point. On day 4, distal CMAP was not recordable. On day 72, distal CMAP was 5,3 mV and partial CB was detectable in the elbow-wrist segment (proximal CMAP amplitude reduction = 30,2%; proximal CMAP area reduction = 51,3%) and in the Erb’s point-axilla segment (proximal CMAP amplitude reduction = 35%; proximal CMAP area reduction = 30%). On day 128 distal CMAP amplitude was 8.3 mV but CBs persisted. The last recording on day 210 showed resolution of CBs. In all recordings there was no evidence of CMAP abnormal temporal dispersion

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BMC Neurology

ISSN: 1471-2377

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