More detailed information about the symptoms, causes, and treatments of Pulmonary oxygen toxicity … If you are on a ventilator, your healthcare team will adjust the settings of the machine. An 84-year-old woman with a history of chronic obstructive pulmonary disease (COPD) on home oxygen (1–2 L/min) presented to the emergency department with cough, chills, and shortness of breath. See also the separate articles: Chronic Obstructive Pulmonary Disease, Diagnosing COPD, Management of Stable COPD and Acute Exacerbations of COPD. Oxygen toxicity can be prevented by lowering the amount of oxygen in supplemental breathing sources. Oxygen toxicity can occur when mechanical ventilation using pure oxygen is used or during diving. If you use any kind of oxygen … On physical examination, she was afebrile and tachypneic, and her oxygen saturation was 94% on 2 L of oxygen. Population: 22 hospitalized patients with a diagnosis of acute COPD … Pulmonary oxygen toxicity: High oxygen levels which affects the lungs. General points about oxygen therapy in chronic obstructive pulmonary disease. Oxygen therapy has many benefits on top of survival, including relief of irritating symptoms, improves quality of life, the ability to increase level and intensity of exercise, and more. 2000;161(5):1524–1529. The role of hypoventilation and ventilation-perfusion redistribution in oxygen-induced hypercapnia during acute exacerbations of chronic obstructive pulmonary disease. Her pulmonary … There is strong evidence of survival benefit of long-term oxygen therapy (LTOT) in patients with COPD … Am J Respir Crit Care Med. However, too much oxygen therapy can cause oxygen toxicity… Those that suffer from COPD and/or other chronic ailments rely on oxygen therapy to survive daily. Preventing oxygen toxicity.