A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s often triggered by lung or heart conditions like COPD, asthma, or heart ...
A recent study finds most critically injured patients can recover with less supplemental oxygen than has previously been suggested. When a critically injured patient is admitted to the hospital, how ...
Oxygen is critical to life. When levels of oxygen change, it can have immediate and lasting impacts on a person's health. Tatum Simonson, Ph.D., associate professor of medicine and John B. West ...
Earth’s atmosphere maintains a constant level of oxygen, whether it is a wintry, rainy day or hot summer. Across the ocean, oxygen concentrations vary enormously between different places and over time ...