Contrast-enhanced CT angiography (CTA) currently is considered the diagnostic modality of choice in the diagnosis of acute type A aortic dissection. However, pitfalls associated with acquisition and interpretation of CTA images may result in misdiagnosis. We present examples of false-positive and false-negative interpretations of CTA in emergency situations that underline the importance of intraoperative preincision transesophageal echocardiography (TEE) in the diagnosis and management of this highly lethal entity.
A unique arteriovenous fistula, originating from the left main coronary artery and branching to drain into the right atrium and superior vena cava is presented with review of the literature.
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