The murmur may first appear at 6-8 weeks of age, and a puppy with an innocent heart murmur will usually outgrow it by about 4-5 months of age.
Can a puppy live with a heart murmur?
A heart murmur occurs when there is turbulent blood flow within the heart. Some murmurs, especially those found in young puppies, can be 'innocent' or 'physiologic' and will have no negative effects on your dog's health. Young puppies with innocent heart murmurs will usually outgrow them by about 5 months.
Should I worry if my puppy has a heart murmur?
If you have a new puppy or kitten: Loud heart murmurs (Grade 3-4/6 to 6/6) in a new puppy or kitty and soft heart murmurs that persist beyond 14-16 weeks of age should be evaluated by a cardiologist. This may indicate that congenital (present at birth) heart disease is present.
Can a puppy grow out of a Grade 5 heart murmur?
This most often occurs in young puppies and they eventually outgrow the murmur by around 5 months of age. If your vet has detected an innocent heart murmur in your young puppy, your vet will most likely recommend listening to the heart again when your puppy is 4-5 months of age.
How long can a puppy live with heart murmur?
Heart failure and heart disease can also be caused by heartworm disease, so making sure your dog is on a good heartworm prevention is crucial. Many dogs live a long time after being diagnosed with a heart murmur, and some can even live years after being diagnosed with heart failure.
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Can a puppy live with a heart murmur?Should I worry if my puppy has a heart murmur?