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When a heart murmur is identified in your healthy dog, don’t panic. There’s every chance the dog may never develop full-blown heart disease. Your vet will record the grade of the heart murmur in dogs as well as the heart murmur in cats, along with their heart rate. They will use this to monitor your canine companion and spot signs of deterioration.Is Grade 3 heart murmur in dogs serious?
How bad is grade 3 heart murmur in dogs? 🐶 Is a dog heart murmur serious? 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.