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Symptomsback to top. The following symptoms are considered hallmarks of normal pressure hydrocephalus: Difficulty walking that's sometimes compared to the way a person walks on a boat, with the body bent forward, legs held wide apart and feet moving as if they're glued to the deck..
Both the brainstem and tonsils are pulled down into the spinal canal to block CSF flow in the brain and causing hydrocephalus. Symptoms can include trouble swallowing and gagging, high-pitched breathing, weak cry, arm weakness, and developmental delays. This type is correctly called Arnold-Chiari malformation.