Overview
Clinical Meaning
CSF is produced at 0.35 mL/min (~500 mL/day) primarily by the choroid plexus via active transport of Na+, Cl , and HCO3 with osmotic water movement.
FNP
FNP
CSF is produced at 0.35 mL/min (~500 mL/day) primarily by the choroid plexus via active transport of Na+, Cl-, and HCO3- with osmotic water movement. Normal ICP is 5-15 mmHg in adults and 1.5-6 mmHg in infants. CSF absorption occurs at arachnoid granulations via pressure-dependent bulk flow. VP shunts use differential pressure valves (low, medium, high pressure), flow-regulated valves, or programmable valves (adjustable externally with magnetic tools) to regulate CSF drainage. The clinician manages the complete spectrum of shunt-dependent hydrocephalus: prescribing pre-operative medications, managing shunt valve pressure settings, treating shunt infections with targeted antimicrobial therapy, evaluating for endoscopic third ventriculostomy (ETV) candidacy, and managing long-term complications including slit ventricle syndrome, overdrainage, and shunt dependency.
Unlock full lesson + practice questions
4 more sections with scenarios, priorities, and review drills.
Final rapid review before practice
Next study step
Finish the lesson first, then choose a focused activity to apply what you just reviewed.
Continue studying
Sign in to save progress on this lesson.
Unlock the interactive lesson quiz with a plan that includes this FNP pathway. You can still explore topic-filtered questions from the bank hubs below.