forensic toxicology h
TRANSCRIPT
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 1/18
forensicToxicology
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 2/18
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.
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 3/18
• ORIGIN OF
POISONS
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 4/18
PLANT
• (morphine, atropine, nicotine).As some "poisonous plants".theMost medicinal plants contain
toxic substances are poisons tocertain concentrations, forexample, hemlock .
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 5/18
ANIMAL
• snake venoms, bees,scorpions.
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 6/18
MINERAL• (arsenic, mercury,
lead).
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 7/18
SYNTHETIC
• (man-made substancessynthesized in the industryas barbiturates,tranquilizers).
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 8/18
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):
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 9/18
ETIOLOGY OF POISONING
• ACCIDENTAL
• MURDERER
• SUICIDE
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 10/18
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:
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 11/18
• Poppy poppy, cocaine, hallucinogens,depressants or drugs
stimulants, narcotic drugs, opium,marijuana, heroin, peyote, crack,ecstasy and other
amphetamines.
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 12/18
DRUG GROUPS• lysergic acid diethylamide (LSD-25),
peyote, mescaline,
psilocybin, psilocin, DMT, DET, mda,STP, THC and like.
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 13/18
EXCITING OR STIMULATINGGROUPS:
• cocaine and its
derivatives,amphetamines,
Benzedrine, Dexedrine
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 14/18
GROUPS OPIOIDS
• Groups opioids: morphine,heroin, codeine, papaverine,opium
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 15/18
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
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 16/18
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 17/18
7/30/2019 Forensic Toxicology h
http://slidepdf.com/reader/full/forensic-toxicology-h 18/18
• DRUG THAT THERE
IS NO BETTER
GRASS LEAVES“ Walth Witman ”