• Mar 25, 2026 the chronic cough enigma how to recognize diagnos e for asthma diagnosis High-Resolution CT Scan: For interstitial lung disease or bronchiectasis Sputum Cytology and Cultures: For infection or malignancy screening Laryngoscopy: To evaluate vocal cord function and airway abnormalities 3. Additional Considerations Medication Review: Discontinuing ACE By Julie Cruickshank