Table 1 CT findings predictive of Intracranial Hypertension.

From: Multimodal monitoring intracranial pressure by invasive and noninvasive means

1 Diffuse sulci effacement

2 Obliteration of basal cisterns

3 Hydrocephalus defined as:

 a Both temporal horns with more than 2 mm and/or

 b Evans Index > 0.3*

4 Midline shift > 5 mm

5 Transtentorial or uncal herniation

  1. Adapted from Rajajee V., et al.9 CT: Computerized Tomography. *The Evans index is the ratio of the maximum width of the frontal horns of the lateral ventricles to the maximum internal diameter of the skull at the same level on axial sections of CT or MRI images.
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