The 2nd and minor metabolic pathway is made of the reaction of cyanide with cystine to produce cysteine and ?-thiocyanoalanine (Wood and Cooley 1955).An antidotal blend of inhaled amyl nitrate and intravenous sodium nitrite and sodium thiosulfate will often be indicated. The IPCS/CEC (1993) evaluation of antidotes for cyanide poisoning mentioned th