A spirometry is a pulmonary function test that measures how much air a person breathes out, and how quickly. Pulmonary function tests measure how well the lungs are working. It is an office-based ...

Many of us take our ability to breathe for granted, but if you have chronic lung disease or other respiratory issues, breathing can become a serious challenge. It’s important for those with ...

Despite these benefits, most physicians in clinical practice rely only on history and clinical examination to make a diagnosis of OAD and to start pharmacotherapy. 4 This approach leads to both ...