What is the longest someone has been dead before coming back?

Velma Thomas, 59, of Nitro, West Virginia, USA holds the record time for recovering from clinical death. In May 2008, Thomas went into cardiac arrest at her home. Medics were able to establish a faint pulse after eight minutes of CPR.

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Thereof, what happens to brain after death?

Modern death requires irreversible loss of brain function. When the brain is starved of blood flow (ischemia) and oxygen (anoxia), the patient faints in a fraction of a minute and his or her electroencephalogram, or EEG, becomes isoelectric-in other words, flat. How long do you stay warm after death? For approximately the first 3 hours after death the body will be flaccid (soft) and warm. After about 3-8 hours is starts to stiffen, and from approximately 8-36 hours it will be stiff and cold. The body becomes stiff because of a range of chemical changes in the muscle fibres after death.

How long does the brain stay alive after death?

Scientific studies have shown that brain death is defined by the cessation of brain activity within 7 minutes of death. Also, what happens a few minutes before death? What happens when someone dies? In time, the heart stops and they stop breathing. Within a few minutes, their brain stops functioning entirely and their skin starts to cool. At this point, they have died.

How long does it take for a body to get cold after death?

It takes around 12 hours for a human body to be cool to the touch and 24 hours to cool to the core. Rigor mortis commences after three hours and lasts until 36 hours after death. Forensic scientists use clues such as these for estimating the time of death. Regarding this, what happens to body in coffin? By 50 years in, your tissues will have liquefied and disappeared, leaving behind mummified skin and tendons. Eventually these too will disintegrate, and after 80 years in that coffin, your bones will crack as the soft collagen inside them deteriorates, leaving nothing but the brittle mineral frame behind.

Moreover, what happens to the body 2 months after death?

Decomposition: For a few days after death, some cells (such as skin cells) are still alive. And finally: A month after death a corpse's hair and nails will fall out, and the organs will liquefy. The body then swells until it bursts open, leaving nothing but the skeleton behind.