hazards of o2 therapyexposure to greater than 60

Question

Hazards of O₂ Therapy

Exposure to greater than 60 per cent O₂, for a period of more than 36 hours, or exposure to 100 per cent 0, for a period of more than 6 hours, results in atelectasis 'and alveolar collapse. Breathing very high concentration of 0, (80 to 100 per cent) for prolonged periods (24 hours or more) is often associated with development of ARDS.