Pseudotumor Cerebri Support Group
Pseudotumor cerebri (PTC) is a neurological disorder that is characterized by increased intracranial pressure, in the absence of a tumor or other diseases affecting the brain or its lining. Diagnosis requires brain scans and lumbar puncture. Characteristic symptoms are headache, transient visual obscurations or transient visual loss in one or both eyes usually lasting...
"Before any fluid is removed, the needle is used to measure the "opening pressure". Although many sources vary on what "normal" CSF pressure should be, most respectable sources seem to agree that normal CSF pressure ranges between 12mmHg and 15mmHg (or, 120mmH2O and 150mmH2O). "