This marker measures bicarbonate, which your body uses to keep blood from getting too acidic. Breathing, kidneys, diet, and hard exercise all affect it.
In this Chinese study, carbon dioxide gas pressure ranged from 32.8–62.2 mmHg in males and 33.2–58.7 mmHg in females.
These were ranges for blood drawn from a vein. Researchers used results from 1,189 people in China’s plain areas. They in
Yes—machines that support the lungs outside the body are an established treatment for selected people with severe lung distress.
A 2026 review in *Intensive Care Medicine* looks at these treatments. It marks 60 years since the description