Heart sounds are the noises made as blood moves through the heart with each heartbeat. When the heart valves close, they make a distinct lubb-dupp sound. Healthcare providers listen to the heart's ...

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 ...

Abnormal breath sounds may include crackling or wheezing. They may be a sign of an underlying medical condition. Breath sounds, also called lung sounds, are the noises that the structures in the lungs ...