the decreased amount of oxygen in the bloodstream resulting from respiratory insufficiency is called
Hypoxemia Hypoxemia (or hypoxaemia in British English) is an abnormally low level of oxygen in the blood.[1][2] More specifically, it is oxygen deficiency in arterial blood.[3] Hypoxemia has many causes, often respiratory disorders, and can cause tissue hypoxia as the blood is not supplying enough oxygen to the body.