Pregnancy Journals Recalls Safety Shopping Sleep Site Map Shop. Within the center of our brains, each of us has four small fluid-filled areas called the cerebral ventricles . These ventricles are connected to each other and to the spinal fluid. This fluid forms a protective cushioning layer of fluid around the central nervous system.
Adults produce approximately one pint of CSF per day.
This fluid is eventually reabsorbed. If the cerebrospinal fluid is not reabsorbed or if the circulation of CSF becomes blocked, fluid can accumulate within the ventricles. After an IVH, blood can get into the passageways of the cerebrospinal fluid as the fluid circulates through the cerebral ventricles. The blood can block or narrow the passageways. CSF continues to be produced, but it can't circulate or be reabsorbed properly, so it builds up in the ventricles.