What Is the Primary Indication for Oxygen Therapy in Mr. Santos

Mr. Santos, a 60-year-old Male Patient, Is Admitted to the Medical-surgical Unit with a Diagnosis of Chronic Obstructive Pulmonary Disease (COPD) . He Is Experiencing Severe Dyspnea at Rest, Increased Respiratory Rate and Decreased Oxygen Saturation Levels. the Healthcare Provider Orders Oxygen Therapy for Mr. Santos