A-67-year old man is referred to ED from his GP for an increasing left side chest pain for last 12 hours. The pain getting worst on deep inspiration. He describes the pain as sharp and stabbing in nature. History He is an ex-smoker with a 30 pack-year history. Emphysematous changes were observed in the previous chest radiograph, hence he takes a salbutamol inhaler. Has a mild to moderate chronic obstructive pulmonary disease Denies any history of trauma Examination Respiratory rate of 33/minute Heart rate of 104/minute Reduced expansion and air entry on the left was observed.

A slightly hyper resonant percussion note Full blood count and liver function tests were normal. Blood gas analysis indicated PaO2 9kPa and PaCo2 of 4.5 kPa. Chest radiograph was performed. What abnormality do you see on the chest radiograph? How would you manage this patient? *This case is from Docplexus…