original_query: What are the symptoms of cerebral venous sinus thrombosis (CVST)?
query: What are the symptoms of cerebral venous sinus thrombosis (CVST)?
answer: Symptoms may include severe headache, visual symptoms, stroke-like symptoms (weakness of the face and limbs on one side of the body), and seizures.  The headache may worsen over several days or appear suddenly. Other symptoms include changes in mental status and decreased consciousness (especially in the elderly).  Focal neurological deficits, such as hemiparesis or aphasia, may occur.