Why did my cat with a heart murmur die suddenly after heavy breathing?

Question

my brothers cat was 11 he was a big orang and white long haired. he had low grade heart murmur and some hair ball issues. he died Tuesday. he was breathing heavy it looked like he was trying to throw up but it was drooling, panting , crying and then ran down stairs collapsed and died. what could have caused this. Pet's info: Cat | Domestic Longhair | Male | 20 lbs

Jenna Beyer, DVM, MBA, cVMA · Accepted Answer

I am sorry to hear of Garfield's passing. A cat with a heart murmur can be much sicker than we realize. Cat's often get heart disease that is very heart to diagnose and there is not much in the way of treatment or prevention. It does sound like he went into heart failure. In congestive heart failure, fluid builds up in the lungs and makes it hard to breath, so cats will breath heavier and faster, and will often open their mouths. In the final stages before death, cats often become very restless and may do odd things, like cry out or try to hide somewhere. Again, I am sorry for your loss. I am glad your brother has someone that cares like you to help him during this difficult time.

Why did my cat with a heart murmur die suddenly after heavy breathing?

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