Large Left Segmental Pulmonary Artery Pseudoaneurysm After Right Heart Catheterization

A 76-year-old woman with a history of rheumatic mitral valve disease, with severe stenosis and mild regurgitation, was admitted to our hospital in New York Heart Association class IV congestive heart failure, 2 months after an uneventful right heart catheterization was performed at another medical center. Chest x-rays showed pulmonary congestion and a large, dense, round image of ≈5 cm in diameter on the left posteroinferior lobe (Figure 1A and 1B), which was not present in a previous chest x-ray (Figure 2). A contrast-enhanced computed tomographic (CT) scan of …