It was so good of you to take on a heart kitty. In
some ways you are lucky that you know he has HCM -
the diagnosis cannot catch you by surprise and you
have foreknowledge that can help prevent mistakes in
his future treatments. For example inappropriate
anesthesia, large volumes of sub-Q fluids, treatment
with corticosteroids, etc.
My understanding is that when a cat has only mild HCM
and is asymptomatic, many cardiologists/vets don't
believe any treatment is needed. There are no
treatments that can reliably prevent progression of
the disease, but if the disease worsens, then your
vet/cardiologist may decide to treat. Since Rocky's
disease has been stable for more than a year, I would
not worry that he is not being treated.
I would look for changes in behavior, such as not
eating, not seeming to be able to get comfortable,
lack of interest in toys or things, hiding , etc. I
would also look for changes in breathing. You could
check now to see how many breaths you kitty takes per
minute when he is asleep or at rest. Do not count his
breaths if Rocky is doing something or is purring.
Then over time if you see an increase in the number of
breaths (not just a little blip, a consistent change)
or if his chest movements seem different, this will be
a signal to call your vet.
I think I would have the cat with a heart murmur
checked out. My cat developed a murmur at 4.5 yrs
old. We didn't have it examined until she was 5.5.
She was asymptomatic, but did have HCM, which since we
caught it, has been progressing fairly rapidly. I
don't have a strong opinion about how often to have an
asymptomatic, stable cat scanned. I think I would have
Rocky examined if something changes, for example my
cat suddenly had some behavior changes and I wanted
her re-examined and it turns out she was in early CHF,
but if she were to have remained the same, I don't
know if I would have been in such a hurry to have her
I supplement my cat with CoEnzymeQ10.
Welcome to the group and if you have more questions be
sure to ask!
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