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Saturday 28 February 2015

Death? When Exactly Do We Say Someone is Dead, Science Reveals!!




To declare someone dead, could be a tough call!! Most times doctors depend on their clinical acumen to say if a patient is dead or alive. Some wrong calls have been made in the past, only for the patient to spring out of bed, hale and hearty.   So you can agree with me it could be a hard decision to make, declaring one - dead. Thanks to ever evolving tecnological advancements, this call is made lighter....

Now read about how to exactly declare a patient dead or not.



The line between life and death remains somewhat blurred, and we continue to debate over the exact moment that a bundle of cells becomes a life as well as the point when this life ceases to be. Despite the murkiness surrounding the concept of life and death, medically speaking, there is a way to pinpoint the exact moment when a living organism is completely, utterly no doubt about it, dead.

Death is somewhat relative, and people who have been declared brain dead or whose heart has ceased to beat have been seen brought back to “life” thanks to modern medical advances. True death, according a recent TED-Ed Original, is when there is no possibility of being resurrected. It is the point to which there is no return.

Everything that our cells do, from repair to growth to reproduction, is fueled by the glucose and the oxygen that our bodies convert into ATP. Our bodies follow the universal law of entropy, which means that these molecules will tend toward diffusing randomly from areas of high concentration to low concentration. While the cellular process is complex and complicated, simply put, entropy must constantly be kept in check in order for life to continue. When this delicate balance is thrown off, death is the result.

Lifesaving processes such as CPR and a defibrillator can delay and even prevent death from occurring, but once the entire cell has succumbed to entropy, resurrection is no longer possible. Scientists believe, however, that if they are able to find the solution for cells to survive entropy, they may be able to one day surpass the "point of no return," effectively revising the definition of death.

Culled From Medical Online.

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