CTICasesPost-MI Ventricular Septal and Free Wall Rupture
Imaging findings
Chest CTA shows an acquired ventricular septal defect (VSD) in the inferior wall with a perfusion defect. Follow-up CT next day shows a massive hemopericardium, representing free wall rupture/completion rupture of the infarcted inferior wall.
Key takeaways
Mechanical complications of myocardial infarction include VSD and free wall rupture. Attempts to close necrotic VSDs percutaneously carry a high risk of rupture or displacement due to the poor anchoring quality of infarcted tissue.
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