My Dad Just Had An Episode Where He Picked Up

My dad just had an episode where he picked up my son an not two minutes later he lost his balance and the world started to spin so fast I saw his head following the spin his legs went weak and he instantly started to go down slowly he couldn't get up on his own and could not drive he recently has had several of these while he was driving n he said they were worse than this one...he immediately checked his blood pressure it was normal and also checked his blood sugar it was like 234/84 pulse was 72 he is type 2 diabetic and highly highly stressed he's overweight slightly and age is 54