Pulmonary mksap - Study guides, Class notes & Summaries

When should one consider COPD? - chronic cough dyspnea sputum production Hx risk factors: smoking, alpha-1antitrypsin def., and workplace exposure to gasses and fumes How is COPD dx'd? - spirometry after appropriate tx w/bronchodilator (salbutamol) How does one dx COPD by spirometry and assess the severity of COPD? - Postbronchodilator FEV1/FVC for dx Postbronchodilator FEV1 for severity What values of FEV1/FVC and FEV1 dx COPD? - FEV1 < 80% of predicted FEV1/FVC < .70 The...

What FEV1/FVC ratio on spirometry is consistent with airflow obstruction? - 70% What is used to characterize the degree of obstruction? - the degree of reduction in FEV1 What is considered moderately reduced FEV1? - 50-80% What is considered severely reduced FEV1? - 34-49% What is considered very severely reduced FEV1? - less than 34%

When should one consider COPD? - chronic cough dyspnea sputum production Hx risk factors: smoking, alpha-1antitrypsin def., and workplace exposure to gasses and fumes How is COPD dx'd? - spirometry after appropriate tx w/bronchodilator (salbutamol) How does one dx COPD by spirometry and assess the severity of COPD? - Postbronchodilator FEV1/FVC for dx Postbronchodilator FEV1 for severity