All the following are true about obstructive lung disease except
Decreased FeV1
Decreased MEFR
Increased RV
Increased diffusion capacity
Diffusion capacity is decreased in restrivtive lung disease.decreased in expiratory flow rate is a hallmark of obstructive lung disease. Residual volume is increased & FEV1/FVC is decresde Ref Harrison 19th edition pg 1661
Respiratory system