I'm so sorry you are dealing with so much, BF. You definitely have more than your fair share of problems to deal with. I wish I could lessen the burden that's weighing down on you (((HUGS)))
I know that all this testing and going to these appointments can be overwhelming, and at times scary, but the mdocs are just trying to see if they can find out why you had the stroke, and see if they can find any existing problems they can treat in order to prevent another stroke in the future