Fig. 1From: Contrast Agent Pooling (C.A.P.) sign and imminent cardiac arrest: a retrospective studyA Contrast agent pooling and layering over the inferior vena cava (arrow). B Contrast agent pooling over the right renal vein (arrow). C Retrograde pooling of the contrast agent over the dependent part of the hepatic veins and parenchyma (star). D Contrast agent layering over the superior vena cava (arrows) and pooling over the arch of the azygos vein (star)Back to article page