CTICasesType A Aortic Dissection presenting as STEMI
Imaging findings
CT neck/chest shows mediastinal hemorrhage, a type-A aortic dissection extending retrogradely from the arch, hemopericardium, and high-attenuation blood tracking along the pulmonary artery sheath.
Key takeaways
Type A aortic dissection can present with myocardial ischemia or STEMI due to coronary ostial occlusion, leading to inappropriate cardiac catheterization. Key CT signs of acute dissection include hemopericardium and blood tracking within the shared aortopulmonary sheath, representing retrograde mediastinal extension.
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