severe chronic obstructive pulmonary disease copd flare chronic obstructive pulmonary disease copd past year smoke cigarettes chronic obstructive pulmonary disease copd diagnosed gastroesophageal reflux work agriculture work construction work mining sector cough traveled country last 4 weeks noticed wheezing sound exhale
acute copd exacerbation / infection bronchitis influenza bronchospasm / acute asthma exacerbation pneumonia allergic sinusitis gerd urti chronic rhinosinusitis acute rhinosinusitis anaphylaxis tuberculosis viral pharyngitis acute laryngitis spontaneous rib fracture
Acute COPD exacerbation / infection