COPD DD - bronchodilators Bronchiectasis is distinguished...

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Differential Diagnosis Clinical, imaging, and laboratory findings should help the clinician to distinguish COPD from other pulmonary disorders such as bronchial asthma, bronchiectasis, cystic fibrosis, bronchopul- monary mycosis, and central airflow obstruction. The primary differential diagnosis is asthma. Characteristics of simple asthma include complete or near-complete reversibility of airflow ob- struction. Key parts in differential are the patient history and the patient’s responsiveness to
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Unformatted text preview: bronchodilators. Bronchiectasis is distinguished from COPD by recurrent pneumonia, digital clubbing, hemoptysis, and imaging abnormalities. A family history and appearance of em-physema early in life distinguishes patients with severe alpha 1-antitrypsin deficiency. Cystic fibrosis occurs in young adults and in children. Flow-volume loops help distinguish between pa-tients with central airway obstruction and those with diffuse intrathoracic airway obstruction seen with COPD....
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