Whats up with my child

I have an 8 year old daughter who has all kinds of problems, from balance issues to learning disabilities. We have gone through testing {CAP} last year and another this year, which was considerably worse than last year. We are now waiting for LLD testing. I seriously fear for my daughter because of all her problems with breaking glasses and pouring a glass of milk to walking up stairs or even walking, which she usually runs and bumps into people as if they aren't even there.

She is constantly stepping on my feet and asking "what" alot and NOT understanding jokes at all. She seems to be very immature and doesn't speak perfectly. She screams real loud when I try to yell at her and she needs to break something in sight because of her temper. She really doesn't know how to cope at all. She will talk to herself and say I don't know why I did that, I didn't mean to do that. I really feel sorry for her at times. HELP Robin