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Because there's got to be a line somewhere at which point a doctor can say "this person is now dead." It used to be when the heart stopped, but we've since discovered that it's possible to restart the heart if it's done quickly enough.
What else can I help you with?
Why people are declared dead when the brain stops functioning even when the heart still beating?
becouse brain is the motor of the body,and the guider of the body
Why people are declared dead when the brain stops functioning even when the heart is still beating?
When the brain stops functioning, vital bodily functions controlled by the brain cease, leading to irreversible damage. The brain requires a constant supply of oxygen and nutrients, which are delivered through blood flow controlled by the heart. Despite the heart continuing to beat, without brain function, the body cannot sustain life.
How much do you use your brain?
You use your brain for 100% of your life. When your brain stops functioning, so do you.
Why do doctors consider a person dead when the brain is not working but the heart is still beating?
This is because being dead is defined as stoppage in the functioning of brain and it is not having any relation with the functioning of heart. If the heart stops beating then there is no supply of oxygen rich blood to the brain and hence the brain dies and henceforth the person is declared dead.
Why is a person declared dead when their heart stops functioning even though their brain is still functioning?
As soon as the heart stops it's game over for your brain. You have less than a minute till the brain will shut down due to the lack of oxygen. Similarly you can be declared brain dead but still have your heart beating. Like I said, as soon as you 'flatline' it's essentially game over. Obviously attempts of revival can succeed in cases but you only have a short window after the 'time of death' i.e the 'flatline' to do so. There was one case (off the top of my head) where someone went around 3 hours I think it was before they were able to restart her heart. That was only due to the conditions in which the body was preserved in the accident (she was skiing and the body was cooled and slowed down enough in the ice for her to be able to have the brilliant medical staff bring her back hours later).
What makes people die?
People are legally dead when there heart stops pumping. So since everytime you sneeze ur heart very briefly stops, u actually die everytime you sneeze. Now i could have some of my facts wrong in this, and i hope i dont offend anyone if my information is incorrrect. But the when your brain stops sending signals to the different parts of your body to continue functioning that is what causes death.
Why are people declare dead when the brain is stop functioning?
Because once your central nervous system stops working (your brain) you can no longer function as a normal human being... Putting you in a vegetative state. ( Basically, you become a breathing vegetable on life support machines because your brain can no longer send signals to the rest of your body to proceed with normal tasks.)
What happens to the brain when people fall in love?
stops working and the heart hold the emotions (not scientific answer)...!
How long can the brain live after the blood circulation stops?
after the blood circulation stops how long does the brain take to die
What does cardiac arrest mean?
It is when the heart suddenly stops functioning.
What happens when pharynx stops functioning?
Suffocation, I would think. But I am not a doctor.
What happens if your heart stops beating for 45 minutes but you get a pulse?
Your body stops functioning, and then eventually, you die.
