Ruptured aneurysm of a major aortopulmonary collateral.

A 43-year-old woman with unrepaired pulmonary atresia and ventricular septal defect with multiple aortopulmonary collaterals presented to an outside hospital with acute onset dyspnoea and severe hypoxaemia. She was intubated due to respiratory distress, and transferred to our centre for additional treatment. Computed tomography scan of the chest demonstrated four …