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