CTICasesJugular Venous Distention and Tamponade in Aortic Dissection
Imaging findings
CT angiography of the chest shows a large Stanford Type A aortic dissection and hemopericardium causing cardiac tamponade. CT of the head and neck demonstrates extreme distention of the internal jugular veins with visible hematocrit/fluid-blood levels due to severe venous stasis.
Key takeaways
Cardiac tamponade from hemopericardium increases right-sided heart pressures, leading to systemic venous congestion. This manifests as marked jugular venous distention. In severe stasis, a hematocrit/fluid-blood level may be seen in the internal jugular veins on CT.
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