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Forensic Toxicology

Forensic Toxicology. Dr. Abdulmonem Al-Hayani MBChB, DipFMS(Lon), PhD(Aber). Outcome=Aims=Goals. Why this lecture? What is Forensic Toxicology? Role of Forensic Toxicologist? Toxins? Drugs? Role of GPs?. Why this lecture?. Drug Abuse is Increasing. What is Forensic Toxicology .

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Forensic Toxicology

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  1. Forensic Toxicology Dr. Abdulmonem Al-Hayani MBChB, DipFMS(Lon), PhD(Aber) Dr. Al-Hayani

  2. Outcome=Aims=Goals • Why this lecture? • What is Forensic Toxicology? • Role of Forensic Toxicologist? • Toxins? • Drugs? • Role of GPs? Dr. Al-Hayani

  3. Why this lecture? Drug Abuse is Increasing Dr. Al-Hayani

  4. What is Forensic Toxicology • A specific area of analytical chemistry which is concerned with adverse effects of chemicals on living organisms Dr. Al-Hayani

  5. Forensic Toxicologists • Toxicologist detects and identifies chemicals in the body • Types of toxicologists: • Descriptive • Mechanistic • Regulatory Dr. Al-Hayani

  6. Role of Forensic Toxicologist Detection Recommend Treatment Dr. Al-Hayani

  7. Toxins • What? Any substance exerting a harmful effect on a living organism • Forms? • Gaseous (e.g. CO, cyanide) • Liquids (e.g. household cleaning supplies, alcohol) • Solid (solid Drugs) Dr. Al-Hayani

  8. Toxins • Incidence? Unknown, could be suicidal, homicidal or accidental • Route of administration? • Oral • IV, IM • Inhalation • Skin popping Dr. Al-Hayani

  9. Drugs • Common problem in our community • Forms the majority of toxins the forensic people are dealing with Dr. Al-Hayani

  10. Classifications • Not clear in our law • Suggested classification: • Narcotics or Opiates (e.g. Heroin, Morphine) • Cannabis • CNS stimulants (e.g. Amphetamines, Cocaine) • CNS Depressants (e.g. TCAD) • Hallucinogens (e.g. LSD, PCP) • Volatile Drugs (e.g. fuel, glue) Dr. Al-Hayani

  11. Opiates • Heroin, Codeine, Dihydrocodeine, Methadone, Temgesic and Morphine • Generally injected or swallowed or snuffed • Onset is very rapid (2 min) • Detectable impairment (6-12 h) • Effects (Confusion) Dr. Al-Hayani

  12. Cannabis • Generally Smoked • Onset is rapid (5-8 min) • Detectable impairment (3-4 h) • Effects (rapid sobering up) • Cannabinoids Dr. Al-Hayani

  13. CNS Stimulants • Amphetamines, Cocaine (crack) • Generally inhaled or smoked • Onset is slower • Detectable impairment (15-48 h) • Effects (Agitation) Dr. Al-Hayani

  14. CNS Depressant • Benzodiazepine, Valium, Temazepam • Generally swallowed • Onset is medium (5-30 min) • Detectable impairment (6-12 h) • Effects (Drowsiness) Dr. Al-Hayani

  15. Hallucinogens • LSD, Ecstasy • Generally swallowed or skin popped • Detectable impairment (8 h) • Effects (Hallucination and unpredictable behavior) Dr. Al-Hayani

  16. Inhalants • Glue, tippex, hair sprays, fuel gases • Generally inhaled • Onset is very rapid (1 min) • Detectable impairment (12 h) • Effects (Euphoria) Dr. Al-Hayani

  17. Your Role Recognition Referral Dr. Al-Hayani

  18. Summary Dr. Al-Hayani

  19. Key Lesson If You Did Not Think About It You Will Not Recognize It Dr. Al-Hayani

  20. Questions & Comments Dr. Al-Hayani

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