The decades-long practice of prescribing long-term oxygen for 24 hours a day to patients with severe hypoxemia from chronic lung diseases appears unnecessary, according to findings from a randomized ...

One of the physiopathological characteristics of COVID-19 that has most baffled the scientific and medical community is what is known as "silent hypoxemia" or "happy hypoxia". Patients suffering this ...

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).