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PRESERVATION OF VISCERA BODY FLUIDS IN CASE OF SUSPECTED POISONING

CIRCUMSTANCES FOR PRESERVATION. The viscera

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PRESERVATION OF VISCERA BODY FLUIDS IN CASE OF SUSPECTED POISONING

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    1. PRESERVATION OF VISCERA & BODY FLUIDS IN CASE OF SUSPECTED POISONING BY- MOHD. MUNIS ANSARI ROLL NO-35

    2. CIRCUMSTANCES FOR PRESERVATION The viscera & body fluids are preserved for chemical analysis under the following circumstances: When the investigating officer requests so When the M.O. suspects the presence of poison by its smell or in some other evidences during autopsy. When the cause of death could not find out after a full autopsy In decomposed bodies In alcoholics

    3. MATERIAL TO BE PRESERVED IF PATIENT IS ALIVE: 1) Vomit 300ml 2) Stomach washout 500ml IN THE DEAD 1) Stomach whole 2) Stomach contents 300ml 3) Small intestine 100cm in adult, 200cm in chld 4) Small intestine cont 100ml

    4. 5) Liver 500 gm or 5 cm thick slice 6) Spleen in adult , whole in child 7) Kidneys of both in adult & whole in child 8) Urine 100-200 ml 9) Blood 10 ml, preferably more ,100 ml 10) Vitreous as much as possible

    5. The gall bladder & bile should be routinely preserved. If the gall bladder was empty at post mortem , the gall bladder itself will show the presence of a large number of drugs including morphine, cocaine & methadone If septicaemia is suspected & the cause of it not obvious the spleen should be cultured. It may reveal an unsuspected terminal infection

    6. COLLECTION & PRESERVATION BLOOD : at least 10 ml collected in a bottle preferably from peripheral site such as neck, arm & leg and also from subclavian vessels C.S.F. : from cisternal puncture , base of brain & puncture of lateral ventricles BONE : 200 gm , conventionaly from shaft of femer BONE MARROW : from sternum , femer & vertebrae MAGGOTS : they are used in forensic entomology MUSCLES : especially thigh muscles

    7. NAILS : removed from their nail bed SKIN : a piece of 2.5 cm sq. from the affected area in case of corrosive poisoning URINE : from suprapubic puncture or U.B.

    8. PRESERVATION IN SUSPECTED POISONING The stomach & its contents, small intestine & its contents preserved in wide mouthed glass bottles. Liver , spleen & kidney in another bottle Blood should be sent in a vial These bottles & vials are supplied by the office of the director , Forensic Science Laboratory(F.S.L) In all case of poisoning inclusives of carbolic acid but exclusive of other acids , saturated solution of common salt should be used The case of poisoning by acids is suspected except carbolic acid , rectified spirit should be used

    9. The liquid blood is preserved in solution of sodium citrate in water containing formaline , for grouping purpose In case of poisoning by alcohol : mixture of potassium oxalate & sod fluoride In case of poisoning by oxalic acid & ethylene glycol: mixture of sod. citrate & sod fluoride In case of poisoning by fluoride a mixture of potassium oxalate & sod nitrate Urine in saturated solution of common salt

    10. TH ANK YOU

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