A. Increased Pressure
- Obstructive (Tumor, malformation)
- Absorptive (Abnormal arachnoid villi)
- Overproduction (Tumor, Tuberculous Meningitis)
B. Intermittent Pressure
- Often (inappropriately) called "Normal Pressure Hydrocephalus"
- Communicative Hydrocephalus (outflow tract with ventricles)
- Presentation: Incontinence, Ataxic Gait, Signs of Dementia
Resources
Cerebral Perfusion Pressure (CPP)