COPD Flashcards
Emphysema-predominant COPD is characterized by a(n) ____ DLCO
low
What is the best test to differentiate asthma from COPD?
Spirometry before and after an inhaled bronchodilator
Obstructive lung diseases are characterized by a(n) ______ total lung capacity
increased
Chronic complications of chronic bronchitis include pulmonary hypertension with progression to ____
cor pulmonale(right heart failure due to a pulmonary cause)
Best prognostic indicator of COPD =
FEV1
What liver pathology is associated with α1-antitrypsin deficiency?
Cirrhosis
What is the likely diagnosis in a young patient with minimal smoking history who presents with progressive dyspnea, cough, and bilateral basilar hyperlucency on CXR?
α1-antitrypsin deficiency
What are the interventions with the greatest impact on survival in patients with COPD?
Long-term oxygen therapy (LTOT) and smoking cessation
2 Indications of Long-term oxygen therapy in COPD:
- Patients with PaO2 ≤ 55 mm Hg or SaO2 ≤ 88% at rest despite optimal medication
- Patients with with a PaO2 of 55–60 mm Hg if there is evidence of pulmonary hypertension, congestive heart failure, or polycythemia