Page 85 - Demo
P. 85
COPD: Definition and FeaturesUmbrella term encompassing chronic bronchitis and emphysema Key features:%u2022 History of smoking (most common cause)%u2022 Progressive dyspnea (breathlessness)%u2022 FEV1/FVC ratio < 0.7 on spirometry (irreversible after bronchodilation)%u2022 Productive cough%u2022 Wheezing%u2022 Hyperinflated chest on X-ray%u2022 Noisy breath/hoarseness due to chronic smoking
