The duration of cough exceeds 3 weeks (for acute cough click here)
Does it meet the criteria for COPD? 3 months for 2 yrs.
If not COPD then request a chest x-ray.
1.Chest x-ray shows an abnormality:
Perform a biopsy: nodules could be malignant, fungal or a benign tumor.
Request sputum / tissue culture analysis:
2. Chest x-ray doesn't show any abnormalities:
Examine patient for symptoms and signs of infection
- History & physical do not indicate infection:
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