A person was found dead with bluish green frothy discharge at the angle of mouth and nostrils. What is the diagnosis ?
Arsenic poisoning
Copper poisoning
Mercury poisoning
Lead poisoning
Blue green (or purple-green) pigmentation of hair, skin, mucosa and perspiration, purple (blue) green line on gums and bluish green frothy discharge from mouth and nostrils is seen in chronic poisoning of copper salt.