severe chronic obstructive pulmonary disease copd experiencing shortness breath difficulty breathing significant way smoke cigarettes chronic obstructive pulmonary disease copd diagnosed gastroesophageal reflux work construction work mining sector cough traveled country last 4 weeks noticed wheezing sound exhale
acute copd exacerbation / infection bronchitis pulmonary neoplasm pneumonia tuberculosis acute pulmonary edema anaphylaxis guillain-barré syndrome atrial fibrillation myocarditis pulmonary embolism bronchiectasis acute dystonic reactions myasthenia gravis anemia scombroid food poisoning psvt sle
Acute COPD exacerbation / infection