Doctors analyze cerebrospinal fluid (CSF) to help identify conditions that affect your brain and spine. CSF samples are typically collected through a lumbar (spinal) tap. CSF is the clear fluid that ...
Idiopathic intracranial hypertension (IIH) refers to pressure in the brain that causes people to experience headache episodes and vision problems. Idiopathic means the cause is not known, intracranial ...
Increased intracranial pressure (ICP) is an increase in pressure around the brain, likely due to an excess of fluid. It’s life threatening and requires immediate medical attention. For example, there ...