Cyanide poisoning

Cyanide is highly toxic, including hydrogen cyanide, sodium cyanide, potassium cyanide, ammonium cyanide and acrylonitrile. Hydrogen cyanide and acrylonitrile fumes are quickly absorbed through the skin and respiratory tract. Cyanide is widely used in industry. The nuts of a variety of fruits contain amygdalin that can be converted into cyanide after entering the human body. Among them, the bitter almond content is the highest. Cyanide can cause obstacles such as hypoxia and energy metabolism in tissue cells, causing "intracellular asphyxia", while blood oxygen saturation is not affected, and the blood is still bright red. The central nervous system is first affected, and respiratory paralysis is the leading cause of death from hydrocyanic acid poisoning.

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