CTICasesAcute Inferior Myocardial Infarction with Aortic and Mesenteric Embolism
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Imaging findings
Abdominal CT, performed for abdominal pain, incidentally reveals a large area of low attenuation (hypoperfusion) within the right coronary artery (RCA) territory of the myocardium, consistent with an acute inferior myocardial infarction. Accompanying findings include an aortic thrombus and thrombus within smaller branches of the superior mesenteric artery (SMA), leading to an ischemic bowel segment.
Key takeaways
Acute myocardial infarction can be detected on non-cardiac CT, especially during an arterial phase abdominal scan. Cardiac thrombus, a complication of myocardial infarction, can embolize to systemic arteries, causing critical ischemia in remote vascular beds, such as acute mesenteric ischemia. This underscores the systemic implications of cardiac events.
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