experiencing shortness breath difficulty breathing significant way flare chronic obstructive pulmonary disease copd past year cough produces colored abundant sputum usual diagnosed gastroesophageal reflux work construction work mining sector traveled country last 4 weeks noticed wheezing sound exhale
bronchitis acute copd exacerbation / infection bronchiectasis pneumonia pulmonary neoplasm pulmonary embolism guillain-barré syndrome atrial fibrillation myocarditis acute dystonic reactions myasthenia gravis anemia tuberculosis psvt chagas
Acute COPD exacerbation / infection