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Table 1 Motor nerve conduction study. CMAP: compound muscle action potential

From: Posterior reversible encephalopathy as the first manifestation of Bickerstaff’s brainstem encephalitis

Table 1.

Distant latency (ms)

Conduction velocity (m/s)

CMAP

(mV)

L. median n.

5.9

26.8

3.0

R. median n.

NA

NA

NA

L. ulnar n.

4.6

43.1

3.3

R. ulnar n

5.0

44.7

3.3

L. peroneal n.

6.3

29.9

2.1

R. peroneal n.

5.7

31.3

3.6

L. tibial n.

5.9

28.9

3.6

R. tibial n.

6.9

31.7

6.5