Reguardless of how you feel...
Let your family know what you would want should something happen to you. Make it crystal clear what YOU want done or not done.
Put it in writing, get it witnessed, get it notorised. Give a copy to your family, the local hospital, and keep a copy in your wallet.
Mine says do not recusatate if found doa. Do not place me on life support. Use whatever organs are undamaged. Cremate the remains.
Her brain was starved for oxygen for an estimated 10 mins before she was resussatated. Irreversable damage sets in at about 4 to 5 mins. With her it was 10. What ever made her Terry, was lost at that time.
But she, however you feel, is gone.
Rest in peace, Terry...