Isolated Bilateral Ptosis as an Early Sign of Guillain-Barré Syndrome

Table 2

Nerve conduction study (sensory).

Nerve	Latency (ms)		Amplitude (micro V)		Conduction velocity (m/s)
	Right	Left	Right	Left	Right	Left
Median	3.3	2.7	27	29	48.5	53.7
Ulnar	2.7	2.4	30	22	53.7	54.2
Sural	2.0	2.6	5.9	5.5	55.0	42.3