heart rates and hyperthyroidism
I checked my cat's heart rates and his resting heart rates are
between 160 - 180 per minutes. When he was stressed in the vet, it
has always been 200 per minute.
I checked around for the ideal heart rates but some say 110-140 and
some say it can be below 200. So I'm a bit confused. My cat is 10
He was diagnosed hyperthyroidism and cardiomyopathy last Oct. His
heart ultrasound showed no serious heart condition except Gallop when
the heart beats are fast. Specialist said it could be secondary to
hyperT. He isn't on any medication but I've been giving him 20mg -
30mg of CoQ10 a day, L-Carnitine and vitamin E. And some fish oil.
His BP was 140 at the vets last year when he was not stressed. But
last month, the BP was 160 - 180 at the vets and he was hissing all
Last week, his thyroid panel came back and total T4 and free T4 are
now finally in the upper limit where those were twice more than the
upper limit in early March.
Any thoughts of heart rates? I'm also curious for those whose cats
had both hyperT and heart diseases, once the thyroid is down, how
long does it take to see the improvement, if it was caused by hyperT?