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.
How long can a dog live with a heart murmur?
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. If you have any questions or concerns about murmurs, please contact your veterinarian.
Is a heart murmur a death sentence for a dog?
In summary, diagnosis of a heart murmur in your pet, young or old, can be scary. It is in no way a death sentence for most pets.
How serious is a heart murmur for a dog?
Innocent Murmurs in Dogs Heart murmurs sound serious, and often are, but sometimes a heart murmur is classified as an innocent heart murmur. These heart murmurs are not serious and often resolve with time. They are most commonly found in young dogs and are typically a grade III or less.
How can I help my dog with a heart murmur?
There is no direct treatment for heart murmurs in dogs, but the causes can often be treated, which may reduce the vibrations in the heart. Your veterinarian will find the cause of the heart murmur and then form a treatment plan. Vets give heart murmurs in dogs a grade of I to VI.
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