AI generated podcast from Tonya Piehl's lecture notes. The document describes chronic obstructive pulmonary disease (COPD), detailing its diagnostic criteria, which include symptoms, risk factors, and spirometry results. It outlines the disease's pathophysiology, encompassing chronic bronchitis and emphysema, and explains the characteristic physical examination findings. Furthermore, it lists common causes, such as smoking and air pollution, and details various treatment approaches, focusing on medications like bronchodilators and antibiotics, along with supportive therapies such as oxygen therapy. Finally, the document touches upon relevant imaging and laboratory testsm used for diagnosis and assessment.