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Medico-legal aspects� in �Treatment �of �Injured

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Medico-Legal/Police Cases

  • Sec- 44 IPC- The word “injury” denotes any harm whatsoever illegally caused to any person, 
  • Sec. 174 of Cr.P.C.
    • All cases of suicide
    • All cases of death or injury by
      • Another person, Animal or Machinery
    • All cases of accident
    • All cases of death or injury in circumstances raising a reasonable suspicion that some other person has committed an offence

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Police Cases(Cont.)

  • Injured directly goes to the doctor
      • In emergency of hospital or private clinics
      • The doctor’s first duty is to save life- Treat him
      • Inform the police at the earliest opportunity
        • Maintain a police case register
        • Maintain an injury report register for writing reports
        • Pt. May be advised X-ray/ investigations or kept under observation if opinion can not be formed immediately

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Medico-Legal Cases

  • Injured goes to police station
    • After recording the statement of the injured
    • Police then send him to hospital
    • Treated, & injury report written
    • Injury report must be sent within 48 hours
    • Police may demand a preliminary report immediately

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Procedure

  • Detailed Examination: Proper Record
  • Regular follow up to be noted
  • Consent for medico-legal examination
    • Victim
      • Major/ Minor
    • Accused
      • With Consent
      • U/S 53 of Cr.P.C.

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Injury Report

  • Nature of Injury
        • Incised, lacerated, bruise abrasion etc
        • Describe findings on which your opinion is based
  • Size
        • Longest dimension given first
        • Maintain one system of measurement, inches or metric
        • Wound should actually be measured not guessed
  • On which part of body
        • Refer to some bony prominence, joint, anatomical line, or area
        • May give location from heel in measurement
        • Location should be three dimensional

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Whether Simple or Grievous

  • A simple hurt is that injury which is neither extensive nor serious and does not fall under grievous or dangerous hurt
        • “Bodily pain, disease, or infirmity” caused to someone is hurt Sec 319 IPC
  • Grievous hurt (Sec 320 IPC)
  • First- Emasculation
  • Secondly- Premanent privation of the sight of either eye
  • Thirdly- Permanent privation of hearing of either ear

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Grievous Hurt(Cont.)

  • Fourthly- Privation of any member or joint
  • Fifthly- Distruction or permanent impairing of the power of any member or joint
  • Sixthly- Permanent disfiguration of the head and face
  • Seventhly- Fracture or dislocation of a bone or tooth
  • Eighthly- Any hurt which endangers life or which causes the suffer to be during the space of twenty days in severe bodily pain or unable to follow his ordinary pursuits

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Injury Report(Cont.)

  • Kind of Weapon
        • Inferred from wounds
        • Sharp, blunt, firearm etc
  • Remarks
        • In this column age of injury is mentioned
        • Exact time of infliction can’t be determined so add “About”
        • Whether all injuries were inflicted on the same time
  • Injury Report prepared in four copies, in prescribed porforma sent by police
        • Original to Police station, one copy to S.P. via the C.S., One for record, & one personal copy
          • Record copy is usually on the page of the injury register

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Causes of Death of Injured

  • Immediate causes
    • Haemorrhage
      • External or internal
      • Loss of 1/3 of total blood volume will cause death
      • Children, women and old may die with smaller loss
      • Bleeding disorder cases die from small wounds
    • Shock
      • Blood loss, Neurogenic, cardiac & cold
      • Toxins & Poisons
      • Fright & fear
    • Injury to vital organs
      • Injury to heart/ lungs/ or brain

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Causes of death (Cont.)

  • Remote or indirect causes
    • Inflammation of internal organs- peritonitis
    • Septic Infections- septicaemia, pyaemia
    • Gangrene
    • Embolism & thrombosis
    • Infective diseases- tetanus
    • Fat embolism- Injury to fatty tissue & bones
    • Air embolism
      • Criminal abortion,Injury to neck veins, lung injuries

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Indirect Causes of Death

  • Supervention of disease after trauma
      • Strangulated hernia causing death
      • Paraplegia finally death due to UTI, bedsore
  • Neglect of the injured person
      • Causa causati
  • Surgical operation resulting in death

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Which of Several Injuries Caused Death

  • Injury to vital organ,
      • Large blood vessels
      • Resulting in to secondary causes of death
  • No defence that the accuse did not inflict the fatal blow if-
      • There was common intention to cause death
      • Causing such hurt as would cause death

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Volitional Acts After Fatal Injury

  • Whether injured capable of
          • Speaking, Walking, Climbing,
          • Any other volition act or acts
  • A guarded opinion should be given
          • As persons are known to have done all this after having received a fatal blow

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Difference Between Antemortem & �Post mortem Wounds

  • May be difficult to differentiate if inflicted within 1 to 2 hrs of death (Before cellular death)
  • Inflicting of wounds on dead body to support false charge is very common

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Haemorrhage

  • Either external or internal or in tissue
  • Presence of blood clot
  • Wound and neighbouring tissue stained with blood
  • Antemortem stain of blood cannot be removed
  • Spouting of arterial blood on body, clothing, and vicinity

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Ante-mortem Vs Post-mortem

  • Retraction of the edges of the wounds
    • Antemortem wounds gape due to retraction of cut muscle fibres
  • Signs of inflammation and repair
    • Swelling of edges with leucocytic infiltration in a few hours
    • Pus forms in not less than 36 hours
    • Firm clot does not form in wounds inflicted 10 mts after death
    • Margination and limited emigration of leucocytes may occur in injuries inflicted after somatic death
    • Marked cellular exudation and reactive changes in the tissue cells are seen in antemortem wounds only

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Antemortem Wounds Without Tissue Reaction

  • Insufficient time before death for tissue reaction
  • Reaction may have ended in resolution
  • Degree of cellular injury may have been insufficient to elicit an appreciable leucocytic exudation
  • In severe injury failure of circulation(Shock) may have interfered with tissue reaction.

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Intensity of Tissue Reaction

  • It depends on
    • Severity of injury
    • Nature of tissue injured
    • Vascularity of the injured tissue
    • Presence of infection or foreign body

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Reaction to an aseptic injury

  • Dilation of capillaries and margination of leucocytes
    • Within a few minutes
  • Emigration of leucocytes – Within 1 hr
    • Monocytes seldom seen – Before 12 hrs
  • Reactive changes in tissue histiocytes
    • And swelling of vascular endothelium may be observed within an hour of injury
  • Fibroblasts
    • At the site of injury show reactive changes within a few hrs
    • Begin to undergo mitotic division- after about 15 hrs

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Difference between Suicidal, homicidal, & accidental injury

Position of wound

Accessible parts only

No fixed site

Exposed & body prominences

Nature of wound

Usually incised & stab, occasionally firearm

Usually chop, lacerations& stabs & firearm

Abrasions, bruises, & lacerations

Suicidal

Homicidal

Accidental

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Suicidal Homicidal Accidental

No. of wounds

One deep wound several tentative

Multiple deep wounds + superficial

Usually single but may be multiple

Direction

Whether Lt handed or Rt.

Any direction depending on position

Any direction

Extent of wound

Mostly superfical one/two deep

Severe and extensive

Variable severity

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Suicidal Homicidal Accidental

Grouping

Arranged

Irregular

Vulnerable parts

Clothing

Not damaged

Damaged

Damaged, mud ,dirt, grease

Defence wound

Absent

May be Present

Absent

Secondary injuries

Absent

Connected with fight

Connected with accident

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Suicidal Homicidal Accidental

Weapon

Found clasped in hand or near the body

Usually not found

Present or known

Scene of crime

In order, room may be locked

Disturbed, sign of struggle, blood stain

Varies with nature of accident

Motive

Present, failure in Exam. Love, depression

Revenge, robbery, sexual offences

Absent

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WHO DIED FIRST WHEN MORE THAN ONE PERSON DIED TOGETHER

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