[A case of fetal arsenous anhydride poisoning].

The physical-chemical and toxicological properties of arsenious anhydride, are explained and a case of a girl who killed herself by swallowing two small spoons of such poison is presented. The prognosis in this type of poisoning can certainly be better bearing two points: 1) early diagnosis; 2) hemodialysis, in the cases with prevalent oliguric symptomatology.