MY 20 YEAR OLD CAT HAS HAD SUBQ FLUID INJECTIONS FOR CHRONIC RENAL FAILURE FOR TWO WEEKS. WE HAVE NOW SWITCHED FROM LACTATED RINGERS TO NORMOSOL. THE PAST TWO TIMES, A DAY APART, WITHIN A MINUTE OF GETTING 100CC, SHE APPEARS TO FAINT, UNABLE TO BALANCE AND THEN IS FINE WITHIN A FEW MINUTES. ANY IDEA WHY THIS WOULD HAPPEN?