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Originally Posted by gemy I know this is worrisome. A heart murmur that is barely heard, is probably mild. I would highly recommend going to a cardiologist for examination. I am actually surprised the vet did not refer Chili to one.
Presumably the antibiotics are for the cough; did the vet say what is causing the cough?
You can call the vet and ask questions from the most recent examination, and I would ask him to refer you to a cardiologist. Lastly once you have a diagnosis, the breeder should be informed, as many heart conditions are hereditary. |


Murmurs that can barely be heard, are mild, and are very common in toy puppies....they USUALLY resolve as the pup gets older.
I would absolutely go to a cardiologist for a work up...that heart may not actually be enlarged, just appearing as so in xray to a less trained eye.....I would LIKE to think if pups heart was really enlarged to a point where the vet wat concerned about prognosis, he would have taken the initiative and recommended a cardiologist see the baby.
And last, the breeder needs to be contacted about this. Enlarged hearts are a congenital issue, which could be life threatening....she needs to be alerted to the issue, your plans to see a cardiologist, and see if she steps up. THIS is where the "wheat is separated from the shaft", so to speak.