Oxygen therapy in acute exacerbations of chronic obstructive pulmonary disease.

1. What is the key characteristic of Chronic Obstructive Pulmonary Disease (COPD)? What is the most common etiological cause of COPD, and how does it lead to the condition? (5 marks)
2. Explain what is meant by an exacerbation of COPD and identify what can cause an exacerbation and what co-morbidities can influence its severity. What impact can the exacerbation have on the
patient’s presentation? (10 marks)
3. Describe the events occurring during an acute exacerbation of COPD that disrupt the normal ventilation-perfusion (V/Q) ratio in the lungs? (20 marks)
4. What are the beneficial effects of supplemental oxygen therapy in stable COPD? (5 marks)
5. Describe the problems/consequences that can be created by treating a patient having an acute exacerbation of COPD with high flow oxygen? (20 marks)
6. What are the key points to consider when applying titrated oxygen therapy to a patient having an acute exacerbation of COPD? (10 marks)
7. With reference to the current literature, analyse the COPD clinical practice guideline (CPG) from one Australian ambulance service and identify its strengths and weaknesses. (10 marks)