if anything xanax would regulate the heart rhythm.
you should tell any vet you see that your kitty is on something, though.
it sounds as if they are being cautious. i dont know if he is in sinus arrhythmia or actual afib or if there was a sinus pause, but these are all very different and no one can tell unless the cat gets an ekg what it actually is (and do they do ekg's for cats? i would assume so. i know they do at large anumal vets) did they hear a murmur? bc that would be worse, IMHO.
age of cat?
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