If you are worried that something is seriously going wrong with your pets heart then there are a few things that you can check before rushing off to the local animal hospital.
Some of the early stages of heart failure in cats and dogs have no visible signs, heart failure can be diagnosed through an evaluation by a vet.
There area few very similar things to look for in both cats and dogs with mild to moderate heart failure can sometimes experience heart enlargement, coughing, lethargy and difficulty breathing.
If some really severe heart failure is going on you can usually tell by the animal having difficulty breathing (even when at rest), fainting, not wanting to exercise, loss of appetite and weight loss. It is possible that drooling more than usual can also be involved with a heart problem so check to see if your animal is doing this more than usual.
If some of these symptoms to exist then it is best to go directly to your local animal surgery and have your vet take a look at your pet.
There are several waysyour vet may check to see if your pet has heart problems are EKG, chest x-rays, blood testing, or a heart ultrasound. The ultrasound is going to be the one to be of the most use to you as it gives your vet the ability to see and measure the extent of the heart disease.
If the worst comes to the worst and there is something wrong with your pet then it is not to worry as there are many vets now that are experts in pets cardiology enabling them to even a pacemaker into your pet.
If you are really thinking that your pet could be suffering from one or some of these symptoms then it is best to at very least to see that it is checked out. The thing is if it is left untreated it can result in worse problems or even death of a pet which as everyone who has gone through that knows it is not easy to have a pet pass away.