A heart murmur is an abnormality of the heartbeat. Heart murmurs are usually identified when a veterinarian uses a stethoscope to listen to your dog's heart. There are several types and degrees of ...

The mitral valve controls the flow of blood from the heart’s left atrium down to the left ventricle, where it is pumped out to the body. When part of the valve doesn’t close properly, it’s called ...

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.

Blood flows through the heart and generates noises known as heart sounds. These noises occur due to heart valves opening and closing as the heart pumps blood. A doctor can gain valuable information by ...