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Livor mortis (from Latin līvor 'bluish color, bruise' and mortis 'of death'), postmortem lividity (from Latin post mortem 'after death' and lividitas 'black and blueness'), hypostasis (from Greek ὑπό (hypo) 'under, beneath' and στάσις (stasis) 'a standing') [1] [2] or suggillation, is the second stage of death and one of the signs of ...
Rigor mortis, the limbs of the corpse becoming stiff (Latin rigor) and difficult to move or manipulate; Putrefaction, the beginning signs of decomposition; Of these, with obvious mortal damage to the body, the textbook conclusive signs of death clear to a lay person are: algor mortis, rigor mortis, livor mortis, and putrefaction. [13]
Rigor mortis, the limbs of the corpse become stiff (Latin rigor) and difficult to move or manipulate; Livor mortis, a settling of the blood in the lower (dependent) portion of the body; Putrefaction, the beginning signs of decomposition; Decomposition, the reduction into simpler forms of matter, accompanied by a strong, unpleasant odor.
Nysten's rule (1811) describes the sequential onset of rigor mortis in the various muscle groups. The basic sequence of the solidifying body begins from the head down the body, in the order: [1] Involuntary muscle first: Heart; Upper eyelids; Neck; Jaw; Face; Upper extremities; Muscles of the trunk; Lower extremities
Livor mortis – settling of the blood in the lower (dependent) portion of the body; Algor mortis – reduction in body temperature following death. This is generally a steady decline until matching ambient temperature; Rigor mortis – limbs of the corpse become stiff (Latin rigor) and difficult to move or manipulate
Investigators may use it to determine if a body has been moved or repositioned after death. Livor mortis starts 20 minutes to 3 hours after death and is congealed in the capillaries in 4 to 5 hours. Maximum lividity occurs within 6–12 hours. By far, the most commonly documented transient medical evidence is blood alcohol level.
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Cadaveric spasm can be distinguished from rigor mortis as the former is a stronger stiffening of the muscles that cannot be easily undone, while rigor mortis can. [ 2 ] The cause is unknown but is usually associated with violent deaths under extreme physical circumstances with intense emotion , such as the circumstances associated with death ...