Conversation: The conversation between human and AI assistant.
[|Human|] A patient was admitted to the hospital with chronic obstructive pulmonary disease. His PO2 was 55 and PCO2 was 65. A new resident orders 54% oxygen via the venturi mask. One hour later, after the oxygen was placed, the nurse finds the patient with no respiration or pulse. She calls for a Code Blue and begins CPR. Explain why the patient stopped breathing.
[|AI|]  Thanks for your question on Chat Doctor. I can understand your concern. COPD patients are used to have low oxygen saturation as compare to normal individual. This is due to their poor lung functions. Brain is having respiratory center which controls breathing. This center is under influence of oxygen and carbon dioxide levels of body. In COPD patients, this respiratory Chat Doctor. . So when COPD patients receive high oxygen, this respiratory