In addition to treating the hypoxia, decreased pulmonary vascular resistance is additional benefit to the administration of oxygen to this client.
Oxygen is a vasodilator, thus it decreases pulmonary vascular resistance, which, in turn, will reduce the workload on the heart.
Vasodilators are medications that open (dilate) blood vessels. They affect the muscles in the walls of the arteries and veins, preventing the muscles from tightening and the walls from narrowing.
As a result, blood flows more easily through the vessels. The heart doesn't have to pump as hard, reducing blood pressure.
Hypoxia is low levels of oxygen in your body tissues. It causes symptoms like confusion, restlessness, difficulty breathing, rapid heart rate, and bluish skin. Many chronic heart and lung conditions can put you at risk for hypoxia. Hypoxia can be life-threatening.
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