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Fig. 1 | Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine

Fig. 1

From: A novel scoring system for predicting the neurologic prognosis prior to the initiation of induced hypothermia in cases of post-cardiac arrest syndrome: the CAST score

Fig. 1

Three imaging slices used to calculate the gray matter attenuation to white matter attenuation ratio. Left, high convexity level (a). Middle, centrum semiovale level (b). Right, basal ganglia level (c). In each slice, the Hounsfield units (HU) were measured within circle 1 on the gray matter and within circle 2 on the white matter. Then, each HU value was then calculated based on the average of the values for the right and left brains. The slice thickness was 5 mm, and the circle size was 10 mm2

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