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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 median, right ulnar, right posterior tibial, right peroneal) showed further slowing of conduction particularly in the lower extremity as well as in the median nerve.
The distal latencies were markedly prolonged at this time, much more so than at the previous examination.
The median and ulnar sensory responses were unobtainable (conduction block). The F Wave latencies were unobtainable (conduction block).
The findings are indicative of an acute polyneuropathy.
Service Date: October 18
The second NCV test is published on this page (graphs, tables, plus diagnostic report). To view the first NCV test, go to: Polyneuropathy Onset
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