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陈旧性透壁性心肌梗死形成心室壁瘤、附壁血栓

陈旧性透壁性心肌梗死形成心室壁瘤、附壁血栓
陈旧性的广泛透壁性左心室心肌梗死。薄的心肌处形成了心室壁瘤。血液淤滞,动脉瘤可引起附壁血栓形成。

There has been a previous extensive transmural myocardial infarction involving the free wall of the left ventricle. Note that the thickness of the myocardial wall is normal superiorly, but inferiorly is only a thin fibrous wall. The thinned area represents a ventricular aneurysm that has developed as a consequence of the healed infarct. Such an aneurysm represents non-contractile tissue that reduces stroke volume and strains the remaining myocardium. The stasis of blood in the aneurysm predisposes to mural thrombosis.


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