ABSTRACT Cardiac trauma caused by Swann-Ganz catheter may very rarely cause cardiac perforation, tamponade and right ventricular pseudoaneurysm. In contrast to left ventricular equivalants, pseudoaneurysms of the RV have a weak tendency to rupture. Its impact on patient outcomes should be assesed very carefully depending on its size, filling rate/capacity. It is possible not to operate the patient and follow progression of RV pseudoaneurysm by clinical and echocardiographic findings. This case is a good sample for it and describes the lifespan of a small RV pseudoaneurysm. It is not only the unique right ventricle pseudoaneurysm due to cardiac trauma caused by Swann Ganz catheter, but medically treated case without surgery and recovered completely.
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