Kilderne til cyanidforgiftning omfatter hydrogencyanid og dets salte, cyanogener, herunder cyanogene planter, alifatiske nitriler og langvarig eksponering for natriumnitroprussid. ###>Sources of cyanide poisoning include hydrogen cyanide and its salts, cyanogens, including cyanogenic plants, aliphatic nitriles, or prolonged exposure to sodium nitroprusside.