Figure 3

An axial thoracic image from post-resuscitation MDCT in a 34 year-old man with cardiac arrest demonstrates high-attenuating walls of the ascending thoracic aorta (white arrows, 70 HU) and the descending thoracic aorta (black arrow, 59 HU). No other vascular signs are demonstrated in the great vessels. Presternal subcutaneous fat layer (arrowhead) is 4-mm in thickness*.