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 ...

Lung sounds are the noises a person makes as they breathe in and out, including sounds of regular breathing. However, wheezing, crackling, stridor, and other sounds can also occur, indicating an ...

When you go for a sick visit or your annual checkup at your doctor's office, they will likely listen to your chest through a stethoscope. Part of what they're listening for is the sounds your lungs ...

High-pitched or squeaky sounds when breathing may mean your airways are smaller in size than normal and air isn’t moving through the lungs well. There are different causes, but it could indicate a ...

If you have COPD, the sounds made by your lungs can help your doctor evaluate the state of your airways and whether your treatment is working. Types of COPD lung sounds include wheezing, crackling, ...