Forensics Daily#7: Signs of Biological Death

Q: Seriously, in general, what will happen to our body once our heart stopped?

A: The story goes: when the heart stopped beating, no pressure to chase the blood around, gravity causes the red blood cells sink through and settle in the dependent parts. This results a red/ purplish discoloration, which we called LIVOR MORTIS Then we have RIGOR MORTIS, which is the stiffening in the muscles. It is because the brain stopped working, and stopped RELAXING (Not Contracting) the muscles. As well as, cooling of the tissues or ALGOR MORTIS. The latter two usually kicked in as soon as 20mins after death to 3 hours; capillaries will be congealed in 4-5 hours and maximum livor mortis occurs within 6-12 hours (though size of the patches increase within first 3-6 hours)

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