Sorry, this is beyond me...have dealt with heat stroke, she was blinded, but she revived within a day with Sav-A-Chick, given with a Qtip for the first 4 hours.@aart
Now give it regularly when they show sign of heat stress....
...and the giant all day ice chunks really do seem to help cool them off.
Necrospy is the only way to really know what is wrong.
Best of Luck to you.