Q: My 7-year-old, 20-pound, mixed breed dog has a heart murmur. Her veterinarian thinks it's due to chronic valve disease. What is this? A: Each time a normal dog's heart beats, it produces two sounds ...

Not all heart murmurs in dogs indicate a serious problem. Some are completely harmless or benign. Credit: Braastad family photo So, your veterinarian tells you during a wellness exam that your dog has ...

When a doctor listens to the heart of a person with a heart murmur, they may hear a whooshing, swishing, humming, or rasping sound. This is due to rapid, turbulent blood flow through the heart.

Detecting a heart murmur on your own can be tricky. A murmur is an extra heart sound that can be heard by a stethoscope. Sometimes, a murmur sounds like a humming sound, which can be faint or loud. It ...