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#1
Old 01-08-2013, 10:27 AM
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Dilation of pupils at death -- immediate?

When a person dies do the pupils of their eyes immediately dilate? Or does it sometimes take a while?
#2
Old 01-08-2013, 01:37 PM
Robot Mod in Beta Testing
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Generally it happens right away. The muscles in your body sometimes take a few hours to stiffen up, but that doesn't happen with your pupils. They dilate as soon as your nervous system stops being able to control them.

That said, death isn't a switch. You aren't "on" one second and "off" the next. Dying is a process, and different parts of the body shut down at different times, and not always in the same order depending on what exactly causes your death. Your pupils may go fixed and dilated before your heart stops beating and respiration stops, or it may occur after.

Checking for fixed and dilated pupils is one of the things they used to look at to determine if death has occurred (along with checking your heartbeat and respiration). It's not something that occurs hours later. Your pupils may remain reactive shortly after your heart stops, but they won't remain that way for too long.
#3
Old 01-08-2013, 01:59 PM
VOW VOW is offline
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Quote:
Originally Posted by engineer_comp_geek View Post
That said, death isn't a switch. You aren't "on" one second and "off" the next. Dying is a process, and different parts of the body shut down at different times, and not always in the same order depending on what exactly causes your death.
This.

Many people don't know that for quite some time after death, the heart can continue to put out an occasional beat.


~VOW
#4
Old 01-08-2013, 04:45 PM
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Thank you e_c_geek. Thank you VOW.
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