Background: Limited data are available comparing air travel with the hypoxia inhalation test (HIT) in passengers with COPD. The aim of this study was to assess the predictive capability of the HIT to ...

In a recent study published in Respiratory Medicine, researchers reported that silent hypoxia was not unique to coronavirus disease 2019 (COVID-19). Silent hypoxemia syndrome, well-tolerated hypoxemia ...

A well-known symptom of the coronavirus is low oxygen levels in the body, aka hypoxia, which normally lead to shortness of breath. But some coronavirus patients with hypoxia don't experience this ...

IN normal persons chronic hypoxia results in polycythemia. This phenomenon has been recognized and studied in high-altitude dwellers, and data obtained from such studies have come to be accepted as ...

A new research study provides possible explanations for COVID-19 patients who present with extremely low, otherwise life-threatening levels of oxygen, but no signs of dyspnea (difficulty breathing).

Researchers have found how hypoxia (a low concentration of oxygen) decreases Protein S, a natural anticoagulant, resulting in an increased risk for the development of potentially life-threatening ...

In hospitals around the world, doctors are shaking their heads in disbelief as they watch Covid-19 patients who should be comatose or “seizing” from hypoxia – a lack of oxygen in the body’s tissues – ...

Paul T. Kelly, MSc; Maureen P. Swanney, PhD; Leigh M. Seccombe, MSc; Chris Frampton, PhD; Matthew J. Peters, MD, PhD, FCCP; Lutz Beckert, MD, FCCP This research was ...