Tutors had athority and and outside perspective. They can be good had explaining 'why' it has to be done a certian way. Ours was anyway.
Have you gone the medication route? I'm not a big fan, but my ADD son sure is. He hated missing all the little details, and it fueled his anxiety to be 'always one step behind no matter how hard I try.'
What about bringing your DD to your workplace for homeschooling? Is she too young to get a volunteer job there? Builds self esteem to help others. I'll be she'd be a great tutor to kids who are stuck in a hospital because divergent thinkers can sometimes be great at finding explainations that make sense to other people.
Maybe you DD could learn some relaxation techniques, and teach them to people in the hospital. (I'm thinking HeartMath)
Best Wishes,
Grinity