Lung function trajectories for FEV1 and FVC increase rapidly in children until the mid-teens, then peak at age 20 in females and 23 years in males.

Objectives Cardiopulmonary involvement (CPI) is a major cause of morbidity and mortality in systemic sclerosis (SSc). The 6 min walk test (6MWT) is widely used to assess functional capacity, but its ...

Many children continue to experience respiratory symptoms up to 14 years after treatment for protracted bacterial bronchitis, ...

COPD, or chronic obstructive pulmonary disease, affects more than 30 million Americans, yet many have never heard of it. COPD ...

Discussion: Performing a spirometry test and providing information on pulmonary function may increase awareness of the effect of smoking among smokers who are asymptomatic or have few symptoms and ...

Body plethysmography is testing for lung conditions. Learn about how it’s performed, how to prepare for it, and more.

Medically reviewed by Sanja Jelic, MD Asthma and chronic obstructive pulmonary disease (COPD) are chronic respiratory (lung) diseases that cause breathing difficulty and coughing. Asthma affects about ...

Identifying individuals with undiagnosed COPD and intervening can improve outcomes, but several barriers exist to performing the confirmatory test—i.e. spirometry (a test for lung function that ...

Spirometry is a lung function test that measures how much air you can inhale and exhale, as well as how forcefully you can breathe out. It’s a simple but important test used to diagnose and monitor ...

Introduction: Pulmonary dysfunction is a risk factor for increased mortality in patients with acute coronary syndromes (ACS). The purpose of this study was to investigate the association between ...