FORENSIC MEDICINE QUICK REVISION Forensic medicine: is the application of medical and paramedical knowledge in the administration of law and justice. Legal medicine and state medicine are other names for it. Medical jurisprudence: deals with the legal rights, privileges, duties and obligations of medical practitioner. Points to remember 1. Pin – point pupils = Opium 2. Dilatation of pupils = Dhatura, Cyanide 3. Constriction of pupils = Opium, phenol, organo-phosphorus, physostigmine, chloral hydrate. 4. Cumulative poisons are: Barbiturates, and methyl alcohol 5. Habit forming poisons are: Caffeine and Nicotine. 6. Addiction drugs are: Alcohol, Barbiturates, Coccaine, Cannabis, Chloral hydrate, Opium, Pethidine. 7. Hemodialysis is good value in: Salicylate, methanol, barbiturate, and aspirin (except kerosene oil and diazephem) 8. 1st sign of intra-uterine death: Gas shadow in aorta (as early as 12 hours). Roberts sign 9. Increased anion gap is seen in Salicylate poisoning, lactic acidosis, starvation. 10. Ideal suicide poison = Cyanide 11. Ideal homicide poison = Thallium, fluoride compounds. 12. Commonly used homicidal poisons: Arsenic, aconite 13. Commonly used suicidal poisons: Endrine, Opium, Barbiturates, Organo-phosphorus compounds. 14. Poison resembling cholera = Arsenic 15. Poison resembling tetanus = Strychnine 16. Poison resembling natural death = Thallium 17. Poison resembling fading measles = Arsenic 18. Poison resembling thyrotoxicosis = Bi-nitro compounds. Tests for detecting poisons: • Arsenic = Marsh’s test, Reinsch’s test • Opium = Marquis test • Alcohol = Mc’evan’s test • Datura = Mydriatic test • Phenol = Green urine.