Term Name:	intracranial hypotension
Synonyms:
Definition:	A brain disease that is characterized by low pressure inside the skull, and thus in the brain tissue and cerebrospinal fluid; may occur as a result of an occult or iatrogenically caused leak of CSF into another body cavity; may result in the downward displacement of the cerebellar tonsils through the foramen magnum or Chiari malformation; has_symptom orthostatic headache; other symptoms are related to compression of cranial nerves due to brain sagging.
Ontology:	Human Disease [DOID:4723]   ( DOID:4723 )