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Differences between Antemortem and postmortem wounds


FEATURESANTEMORTEM WOUNDPOST MORTEM WOUND
Haemorrhage-Arterial
-Blood clotted and the clot is
   ~laminated
   ~firmly adherent to
     the lining of endothelium
   ~firm, rubbery and
     variegated
-Copious amount
-Deep staining of edges
  which can't be
   washed away
-Venous
-Blood usually not clotted
 and if clots it is
   ~Non laminated
   ~Weakly adherent to the
      lining of endothelium
   ~Soft,friable chicken
      fat(yellow) or current
      jelly(red) appearance
   ~Homogenous
-Slight amount
-Staining is superficial
 and can be washed away
Wound
edges
Gaping,everted,swollenApposed,not swollen
Vital reactionSigns of inflammation,
infection(pus,slough)
and healing (granulation tissue) present
Not present
Enzyme
histo
chemistry
Negative and positive vital
reactions
Vital reaction absent
Wound
serotonin
and
histamine
content
IncreasedNo increase
Microscopy-Clot has platelets
-Leucocyte and
 RBC infiltration in
between muscle fibers
-Clot lacks platelets
-No infiltration

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