Adult normal pressure hydrocephalus is a mild, difficult-to-diagnose type of hydrocephalus, a condition commonly referred to as “water on the brain.” The condition causes an excess of cerebrospinal fluid (CSF) in cavities within the brain, called ventricles...


A subarachnoid hemorrhage is a condition where there is bleeding into the subarachnoid space between the pia mater (inner layer) and arachnoid mater (middle layer) of the tissue covering the brain...