![]() In Australia dicobalt edetate IV, sodium nitrite IV and sodium thiosulfate are available. The availability of antidotes to cyanide poisoning varies around the world. Another source of cyanide includes the combustion of wool, silk, synthetic rubber and polyurethane. Deliberate contamination of medications and food has occurred recently. Suicides are the commonest cause of cyanide poisoning. Industries that use cyanide include metal extraction and refining, electroplating, photography and fumigation. It is important to know the unique mechanism of action of this poison as delay in treatment can have disastrous consequences to the patient. It is used in many chemical compounds including medications and can be found endogenously in plant and bacteria. Its toxicity was soon discovered by Scheele who, upon breaking the flask of his newly found fluid, was killed by the resulting vapours.Ĭyanide is a rapidly toxic agent that is found in liquid and gaseous form. ![]() Hydrogen cyanide was not isolated in a pure form until 1786 when Scheele extracted it from the dye Prussian blue.
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