Who is Lividity?
Livor mortis (Latin: līvor – "bluish color, bruise", mortis – "of death"), postmortem lividity (Latin: postmortem – "after death", lividity – "black and blue"), hypostasis (Greek: ὑπό, hypo, meaning "under, beneath"; στάσις, stasis, meaning "a standing") or suggillation, is the second stage of death and one of the signs of death. It is a settling of the blood in the lower, or dependent, portion of the body postmortem, causing a purplish red discoloration of the skin. When the heart stops functioning and is no longer agitating the blood, heavy red blood cells sink through the serum by action of gravity. The blood travels faster in warmer conditions and slower in colder conditions. Livor mortis starts within 20–30 minutes, but is usually not observable by the human eye until two hours after death. The size of the patches increases in the next three to six hours. Fixation will begin to occur during this timeframe, causing the patches to be unaltered due to movement. M...
