A PaO2 test measures partial pressure of oxygen, or PaO2—the oxygen pressure in arterial blood. The PaO2 reflects how well oxygen is able to move from the lungs to the blood. It is often altered by ...
On the other hand, a person with coronary artery disease may be considered hypotensive with a blood pressure reading of 120/70. Without adequate blood flow, the tissues of the body will be deprived of ...