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forensicToxicology

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DEFINITION

• Forensic Toxicology is the sciencethat studies the poisoning and the

poisons that cause. It is thebranch of toxicology that studiesresearch methods in medico-legalcases of poisoning and death.

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• ORIGIN OF

POISONS

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PLANT

• (morphine, atropine, nicotine).As some "poisonous plants".theMost medicinal plants contain

toxic substances are poisons tocertain concentrations, forexample, hemlock .

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ANIMAL

• snake venoms, bees,scorpions.

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MINERAL• (arsenic, mercury,

lead).

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SYNTHETIC

• (man-made substancessynthesized in the industryas barbiturates,tranquilizers).

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CLASSIFICATION OF POISONS.

• 1. Poison gas (carbon monoxide,hydrogen sulphide).

2. Volatile poisons (alcohol,hydrogen cyanide, phosphorus).3. Poisons minerals (lead, arsenic,caustic acids and bases).4. Fixed organic poisons

(barbiturates, alkaloids):

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ETIOLOGY OF POISONING

• ACCIDENTAL

• MURDERER

• SUICIDE

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THERE ARE TWO TYPES OFSUBSTANCES

• Licit substances: those that the law allowstheir use for entirelytherapeutic Such as antidepressants,use neuroleptics for schizophrenic,psychotic and manic.

• Illicit substances: those that by their abilityto addiction can notmarket and whose consumption isprohibited by law. example:

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• Poppy poppy, cocaine, hallucinogens,depressants or drugs

stimulants, narcotic drugs, opium,marijuana, heroin, peyote, crack,ecstasy and other

amphetamines.

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DRUG GROUPS• lysergic acid diethylamide (LSD-25),

peyote, mescaline,

psilocybin, psilocin, DMT, DET, mda,STP, THC and like.

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EXCITING OR STIMULATINGGROUPS:

• cocaine and its

derivatives,amphetamines,

Benzedrine, Dexedrine

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GROUPS OPIOIDS

• Groups opioids: morphine,heroin, codeine, papaverine,opium

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FIND A TOXICOLOGIST• A forensic toxicologist must consider

the context of the research,

particularlyany physical symptoms have beenfiled, and any other evidence

collected at the crime scene that mayhelp to clarify the same

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• DRUG THAT THERE

IS NO BETTER

GRASS LEAVES“ Walth Witman ”