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POISONS & POISONING

Lead Poisoning

Introduction Lead is a component of paints, gasolines, storage batteries, glass, ceramics and as part of plumbing pipes. Inorganic lead is absorbed slowly via the respiratory and gastrointestinal tracts, but poorly from the skin; organic lead compounds are volatile & are absorbed from through the skin and respiratory tract. Absorption via the gastrointestinal tract is …

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Organophosphate/ Insecticide Poisoning

Introduction Organophosphates poisoning causes irreversibly inhibition of acetylcholinesterase leading to accumulation of acetylcholine at muscarinic and nicotinic synapses and in the CNS. Organophosphates are absorbed through the skin, lungs, and gastrointestinal tract and are distributed widely in tissues. Elimination is slow- by hepatic metabolism Clinical features of organophosphate/ Insecticide Poisoning Onset is usually between 30 …

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Food Poisoning

Introduction Food poisoning is a  spectrum of disorders arising from: Infections acquired by eating contaminated food Clinical problems that result from eating food contaminated with toxins Clinical sequelae from inherently poisonous animals, plants or mushrooms Clinical forms: Staphylococcal food poisoning: Food is contaminated by S. aureus when prepared unhygienically by individuals who are carriers Subsequent …

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