The aim of this study was to assess the predictive capability of the HIT to in-flight hypoxemia in passengers with COPD. Methods: Thirteen passengers (seven female passengers) with COPD (mean [± ...

However, the term "hypoxia," if it means a deficiency of oxygen supply to the body, is quite a different thing from hypoxemia. The term hypoxia should probably not be used so commonly or so glibly.

The FEV1/FVC ratio is a test that helps measure how much air you can forcefully expire (exhale) from your lungs. It involves a tool called a spirometer that can measure the volume of breath expired in ...