Page 488 - Hall et al (2015) Principles of Critical Care-McGraw-Hill

358 PART 3: Cardiovascular Disorders

FIGURE 42-2. A. Contrast-enhanced CT scan of the thorax in a 66-year-old man with acute chest pain radiating to the back and left flank. A dilated aortic root and intimal tear are present.
Contrast material fills the true lumen first (open arrow), while false-lumen filling is delayed (solid arrow). B. Type A dissection with blood (bluish discoloration—arrow) in the subadventitial
layer. Ao, aorta; Pa, pulmonary artery; RA, right atrium. C. Aorta opened showing clot in false lumen (wide arrow) and true lumen (narrow arrow). D. Proximal aorta (ascending aorta has been
resected) showing aortic valve leaflets (A), false lumen (B), and distal aorta (C). E. Interposed Dacron graft (large arrow) with sidearm (small arrow).

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