Patients with asthma have impaired diaphragm thickening fraction compared with healthy individuals without asthma.

A lung function test used to help diagnose asthma works better in the morning, becoming less reliable throughout the day, researchers have found. Using real world data from 1,600 patients ...

Diffusing capacity of the lung for carbon monoxide (DLCO) is a lung function test that may help detect COPD early and predict a person’s outlook. DLCO is a lung diffusion test that measures how ...