Quiescent Bronchopleural Fistula: An Atypical Presentation

Case PresentationA 62-year-old male, a chronic smoker, presented to the Emergency Department (ED) with complaints of cough, mucoid expectoration and MMRC grade III dyspnea worsening over the past 2 days.He had a history of weight loss over 10 kg in past 1 month.There was no history of tuberculosis (TB), malignancy, or any significant past history.On arrival, the patient had stable vitals and a room air saturation of 80%, which increased to 98% with supplemental oxygen at 6 L/min via face mask.Chest auscultation revealed decreased breath sounds over the right side.Blood investigations revealed an Hb of 11.8 gm/dL, WBC count of 43.2 10 3 /cmm, pH of 7.38, and a lactate level was 3.2 mmol/L.