Why the study?
Sequential occurrences of acute ischaemic stroke and acute MI have been reported, but not their simultaneous occurrence caused by an unreported mechanism.
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This case report describes a rare simultaneous occurrence of acute myocardial infarction and systemic embolism, hypothesized to be caused by a thrombus in the right coronary ostium extending into the aorta.
Background: Sequential occurrences of acute ischaemic stroke in patients with acute myocardial infarction (MI) and vice versa have been reported, but not the simultaneous occurrence of both conditions. We report a case of simultaneous occurrence of MI and systemic embolism caused by a mechanism not reported to date. Case summary: A 52-year-old female patient presented with concurrent chest pain, right arm weakness, and dysphasia. An electrocardiogram demonstrated ST-elevation MI. A computed tomography angiography ruled out aortic dissection and showed an ischaemic stroke and infarction in the right kidney and spleen. A right coronary thrombotic occlusion at the ostium was successfully recanalized. Transoesophageal echocardiography showed preserved left ventricular function with no intracardiac thrombi. Discussion: The reported case presentation does not align with the mechanisms typically associated with simultaneous MI and stroke. The most plausible hypothesis is that the thrombus in the right coronary ostium extended into the aorta, resulting in a concurrent systemic embolism.
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Fuchs et al. (2024) studied this question.
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