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Per the United Kingdom Medical Royal Colleges, a diagnosis of brain death is a two-fold process including 1) identifying the cause of irreversible brain damage and excluding reversible causes of brain damage and 2) conducting a series of clinical and laboratory tests to assess brain stem function. [7] [8]
Brain death is the permanent, irreversible, and complete loss of brain function, ... in order to be certain that the condition is irreversible. Legal criteria vary ...
Cause of death – the purpose of a forensic autopsy is to determine the cause of death, which is the condition or conditions officially determined to have resulted in a human's death. In modern times, such a determination usually is essential data on a governmental death certificate. Capital punishment. Death row; Coroner; Crimes related to death
Death was historically believed to be an event that coincided with the onset of clinical death. It is now understood that death is a series of physical events, not a single one, and determination of permanent death is dependent on other factors beyond simple cessation of breathing and heartbeat. [11]
The human skull is used universally as a symbol of death. [1] Death is the end of life; the irreversible cessation of all biological functions that sustain a living organism. [2] The remains of a former organism normally begin to decompose shortly after death. [3] Death eventually and inevitably occurs in all organisms.
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 ...
Dying cells are engaged in a process that is reversible until a first irreversible phase or "point-of-no-return" is trespassed. Necrosis is an unprogrammed death of cells, which involves early plasma membrane changes leading to loss of calcium and sodium imbalance. This causes acidosis, osmotic shock, clumping of chromatin and nuclear pyknosis.
The suggested new definition of death was the "irreversible loss of the capacity for consciousness, combined with irreversible loss of the capacity to breathe". It was stated that the irreversible cessation of brainstem function will produce this state and "therefore brainstem death is equivalent to the death of the individual". [2]