Carbon monoxide poisoning shows the following post-moem staining:
In carbon monoxide poisoning, the colour of post moem staining is cherry-red. In poisoning by nitrites, potassium chlorate, potassium bicarbonate, nitrobenzene, acetanilide, bromates, and aniline the colour is chocolate brown. In asphyxia, the colour of the stains is deeply bluish-violet or purple. A bright pink colour is seen in hypothermia and bodies taken from cold water. Ref: The Essentials of Forensic Medicine and Toxicology by KS Narayan Reddy, 27th edition, Page 139.
Cherry red postmoem staining
Pink postmoem staining
Chocolate coloured postmoem staining
Blue postmoem staining
Cherry red postmoem staining