Diffuse Ischemia in Noncontrast Computed Tomography Predicts Outcome in Patients in Intensive Care Unit Santanu Chakraborty, DMRD, FRCR, Sean P. Symons,

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Diffuse Ischemia in Noncontrast Computed Tomography Predicts Outcome in Patients in Intensive Care Unit Santanu Chakraborty, DMRD, FRCR, Sean P. Symons, MD, Martin Chapman, MD, Richard I. Aviv, MD, FRCR, Allan J. Fox, MD, FRCPC, FACR Canadian Association of Radiologists Journal Volume 63, Issue 2, Pages 129-134 (May 2012) DOI: 10.1016/j.carj.2010.10.005 Copyright © 2012 Canadian Association of Radiologists Terms and Conditions

Figure 1 Axial computed tomography (CT) images at 3 levels (A, B, C), showing the modified Alberta Stroke Program Early CT Score (ASPECTS) used for analysing images. The score was used to interpret the whole brain and was not limited to the specific slices. See Table 1 for further details. A1 = anterior cerebral artery (ACA) lower; A2 = ACA upper; B = brainstem; C = caudate; CL = cerebellum; I = insula; IC = internal capsule; L = lentiform nucleus; M1-M6 = middle cerebral artery territories; P1 = posterior cerebral artery (PCA) lower; P2 = PCA upper. Canadian Association of Radiologists Journal 2012 63, 129-134DOI: (10.1016/j.carj.2010.10.005) Copyright © 2012 Canadian Association of Radiologists Terms and Conditions

Figure 2 (A–C) Computed tomography (CT) of patient who is brain dead, showing almost complete loss of grey-white matter differentiation of bilateral cerebral cortex, hypodensity of basal ganglia structures bilaterally, and pseudohyperdense tentorium and falx against surrounding low density brain; the basal cistern is partially effaced in this patient. (D–F) CT from a normal control. Canadian Association of Radiologists Journal 2012 63, 129-134DOI: (10.1016/j.carj.2010.10.005) Copyright © 2012 Canadian Association of Radiologists Terms and Conditions