As part of a comprehensive lung exam, a doctor may try to listen for various sounds by tapping your back and chest with their hand, which is a test called percussion. If the percussion produces a drum ...

It's not always easy to get a diagnosis of alpha-1 antitrypsin (AAT) deficiency, a rare condition that sometimes leads to serious lung and liver damage. In fact, most people who have this disorder are ...

A pulmonologist discusses the history and influence of race-based reference equations in pulmonary function testing interpretation and patient care.

Chronic obstructive pulmonary disease (COPD) and acute bronchitis both cause lung irritation and inflammation. They can trigger similar symptoms, including coughing, chest pain, and fatigue. Acute ...