Heart Murmur In Cats Grade 3. This ultrasonic examination allows the veterinarian to assess your cat's heart muscle and other critical structures to obtain an accurate diagnosis. Meanwhile, another cat with a grade 5 murmur may have minimal heart abnormalities that would never cause any clinical signs or warrant any kind of heart treatment.
Veterinarians typically will declare the intensity of a murmur using a scale of 1 through 6, with 6 being the worst murmur. Barely audible a vet would barely be able to notice the sounds or vibration. Meanwhile, another cat with a grade 5 murmur may have minimal heart abnormalities that would never cause any clinical signs or warrant any kind of heart treatment.
Sometimes young cats even grow out of heart murmurs !
If, however, the murmur is associated with structural heart disease, your dog may display signs of congestive heart failure such as coughing, weakness, or exercise intolerance. For other cats, a murmur may indicate an underlying and possibly severe heart condition. Causes of heart murmurs heart murmurs can result from actual damage or changes within the heart, or from causes that are unrelated to primary heart disease. The grade 3 has an intermediate loudness, while the grade 4.
