OMG how terrifying this must have all been for you! Thank heavens it turned out to be something the doctors must understand and know about, although I know when someone's body starts really malfunctioning, nothing is easy or simple.
I know I'm a complete stranger, but
: ... my best friend/SIL was in ICU this winter for three weeks, in a coma for two of them, and I know first-hand how much it derails you. I'm so glad that people around you are looking after you.