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What is All are true about arsenic poisoning EXCEPT: and explain in detail?
Ans. (b) Mimics tetanusRef: The Essentials ofFSM by K.S. Narayan Reddy 31st ed. / 501-502Arsenic Poisoning Features* It is the most commonly used homicidal poison.* Presents with Haemorrhagic gastroenteritis and necrosis of intestinal mucosa.* It mimics Cholera NOT tetanus (Strychinine mimics tetanus).* Diarrhea accompanied by tenesumus and anal irritation.* Arsenic poisoning is also characterized by 3 Rs# Red velvety mucosa upon PM# Rain drop pigmentation on body# Reinsch test or maRsh test- used to test the arsenic* They deposited on skin, hair and nail because they contain keratin, hence it is preserved.* Hyperkeratosis on palms and soles.* Fatal dose: 0.1-0.2 gm.* On nails specific lines seen known as: Aldrich Mees Line* Upon chronic poisoning# Sensory motor polyneuropathy causing tingling, numbness 8c paresis# Encephalopathy* Antidote: Hydrated Ferric oxide.