Color of postmoem staining in cyanide poisoning is
Color of postmoem staining Cause of death color of PMS Cyanides bright red(oxygen Hbu) Carbon monoxide cherry red(carboxy Hbu) Carbon dioxide deep blue(reduced Hbu) Hydrogen sulphide bluish green(sulphmet Hbu) Phosphorus, copper Dark brown Opiates black Nitrates, aniline, potassium chlorate, nitrobenzene, potassium bicarbonate chocolate brown, or coffee brown(metHb) Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 24
Deep blue
Bright red
Dark brown
Bluish green
Death and postmortem changes