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Can you diagnose this 68-year-old male with 24-h history of haemoptysis, 5-year history of productive cough and ipsilateral lung infiltrates? https//bit.ly/3tyhANB.A systematic work-up is important in case of hypercapnia. Pay attention to the shape of the flow-volume curve and any abnormal breathing sounds. In case of stridor, vocal cord paralysis should be suspected and, if confirmed, neurological investigations are advised. https//bit.ly/34APMi8.Stridor is a sign of vital emergency that immediately orientates towards a laryng