An Unusual Case of Recurrent Guillain-Barre Syndrome of a Different Subtype Five Years after Initial Diagnosis

Table 2

Nerve conduction/electromyography study on 1st and 2nd presentation of GBS.

Presentation	Nerve	Distal motor latency (DML); ms	Compound muscle action; potential amplitude (CMAP); mV	𝐹 response latency; ms	Motor conduction; velocity (MCV); m/s	Sensory nerve action; potential amplitude; uV	Onset latency; ms	Peak latency; ms
First	Right ulnar	4.3	3.1	No response	49.0
Second		3.4	(i) at wrist: 2.1; (ii) above and below elbow: 1.5	43	Not performed
First	Right tibial	10.0	0.3	No response	32.2
Second		7.0	0.8	56.2	47.3
First	Right median	3.1	9.0	32.1	58.7
Second		3.5	3.0	28.4	63.9
First	Left tibial	5.9	1.1	No response	38.2
Second		6.2	1.0	54.7	45.6
First	Right median					91.3	2.7	3.6
Second						99.0	2.3	3.0
First	Right ulnar					53.0	2.1	3.2
Second						69.3	2.0	2.6
First	Right radial					None	None	None
Second						36.2	1.6	2.3
First	Right sural					None	None	None
Second						34.8	2.1	2.7
First	Repetitive nerve stimulation (RNS) of L tibial at a rate of 3 Hz revealed decrement of −3.2 and subsequent increment of 5.5
Second	None