A PaO2 test measures oxygen pressure in arterial blood to help guide treatment for respiratory issues. This test is part of an arterial blood gas (ABG) test, which also measures other components like ...

Nowadays, it's well accepted that the cause for altitude sickness—the host of symptoms including headache, fatigue, digestive problems, dizziness, and sleep disorders that occurs when climbers ascend ...

Traveling at high altitude can be hazardous. The information provided here is designed for educational use only and is not a substitute for specific training or experience. Princeton University and ...

Introduction Constant suppliance of oxygen plays one of the crucial roles in normal brain functioning. Examining brain at high altitude can provide us useful information about how brain functions are ...

We’ve known for well over a century that low blood oxygen causes altitude sickness. The origin of this idea has long been attributed to French researcher Paul Bert. But it’s really Bert’s benefactor, ...