Fig. 5From: Can pulsatile CSF flow across the cerebral aqueduct cause ventriculomegaly? A prospective study of patients with communicating hydrocephalusThis figure shows the pressure and velocity distributions for a typical subject. Upper: a sagittal slice of the pressure distribution for the point in time of largest pressure difference. The change in pressure occurs almost entirely over the CA, with only small changes in the third and fourth ventricle. Lower: velocity streamlines during maximum outflow. The highest velocities were observed in the CABack to article page