PMC4276772_01
The root of Dioscorea quinqueloba from which the patient prepared juice to drink.
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F1
Three days ago, he dug up tubers of D. quinqueloba and drank about 400 mL of juice made from the raw tubers (Fig. 1).
Electroencephalogram showed diffuse continuous slowing (theta or delta range) with maximum appearance at the frontal electrode.
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F2
While his brain magnetic resonance diffusion imaging was normal, his electroencephalogram showed an abnormal feature of high significance with evidence of nonspecific and diffuse cerebral dysfunction (Fig. 2).