Some COVID-19 patients with dangerously low blood-oxygen levels — a condition known as hypoxia — have clinicians stumped by their apparent normal functioning when they seemingly should be laid up. The ...

Shortness of breath, also known as dyspnea, is a patient’s subjective experience. For a long time, we thought that observable measurements, like the degree to which our blood was oxygenated, was ...

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 – ...

Blue lips, slurred speech, euphoria, confusion — these are just some of the warning signs of hypoxia, a lack of oxygen in the body, which can be deadly in the air. It's rare, but hypoxia has been ...