Intracranial Pressure (ICP)
ICP is the pressure that exists within the cerebrospinal fluid, or CSF (see CSF). The CSF is secreted in the ventricles of the brain (see “Ventricles) and circulates within and around the brain in the subarachnoid space (see “Subarachnoid Space). The ICP was first measured in the late 19th century by puncturing the reservoir of