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During my two-month hospitalization with Guillain Barre Syndrome, my neurologist performed two Nerve Conduction Velocity (NCV) studies spaced three weeks apart. These NCV studies were performed, respectively, at 10 days and four weeks from onset of the first symptoms of paresthesia (numbness and tingling) and motor weakness.
Guillain-Barre is a symmetric polyneuropathy, thus Nerve Conduction measurements are taken on just one side of the body, the dominant side: – in my case the right side.
The motor nerve conduction study (right peroneal, right posterior tibial, right median, right ulnar) showed prolongation of the distal latencies of all the nerves examined. The conduction studies were actually not particularly slowed.
The right median and peroneal F Wave latencies were unobtainable (complete conduction block).
The median and ulnar sensory distal latencies were within the limits of normal. However, the amplitude of the response was very low.
The findings would be consistent with a polyneuropathy.
Service Date: September 29
The first NCV test is published on this page (graphs, tables, and the diagnostic report). To view the second NCV test, go to: Polyneuropathy Acute Stage
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