CTICasesPost-Traumatic Left Ventricular Pseudoaneurysm
Imaging findings
CT chest and cardiac MRI demonstrate an abnormal contour of the anterior left ventricular wall in a 19-year-old trauma patient post motor vehicle collision. Perfusion MRI sequences demonstrate that the pouch fills with contrast at the same time as the left ventricle, confirming a post-traumatic pseudoaneurysm of the left ventricle.
Key takeaways
Post-traumatic left ventricular pseudoaneurysms are extremely rare cardiac injuries, occurring secondary to blunt thoracic trauma. Unlike true aneurysms, pseudoaneurysms represent a contained rupture of the myocardium by the adherent pericardium or scar tissue and carry a high risk of spontaneous rupture, warranting prompt surgical repair.
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