Adventitious breath sounds are abnormal sounds resulting from unusual airflow through the lungs. They can be due to conditions, such as asthma or bronchitis. Anything that changes the normal airflow ...

Listener and child lung doctor Mark Brown of Tucson, Ariz., marvels in the sound of normal breathing. He says his job has him listening for abnormal sounds, but since his own health has been bad, it's ...

Doctors know they’re the sounds of a problem in the lungs, but it turns out they might be more than symptoms—crackling and wheezing could also be the sounds of a disease progressing, according to a ...

Of note, if the patient is bedfast, complete evaluation of respiratory efficiency is often less than optimal because chest expansion is not always symmetric and percussion notes may be less resonant.