If you have COPD, oxygen therapy can help you increase the amount of oxygen in your blood and help you breathe. Oxygen therapy can be administered in a hospital setting, at home, or on the go.

COPD can lead to hypoxia, ... A small device called a pulse oximeter measures how much oxygen is in your blood. Normal levels are between 95% and 100%. A reading of 88% or below signals hypoxemia.

This is a simple test to detect oxygen levels in your blood. ... Oxygen therapy. As your COPD progresses, you may need extra oxygen while you sleep or do certain activities, ...

The findings, published in the New England Journal of Medicine on Oct. 27, are based on research examining oxygen treatment outcomes in 738 COPD patients with moderately low blood oxygen levels at ...