Why would the fontanel of an 8-month-old female who has meningitis bulge?

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Study for the NREMT Medical, Obstetrics, and Gynecology Exam. Study with flashcards and multiple choice questions. Sharpen your skills and boost your confidence for the exam!

Multiple Choice

Why would the fontanel of an 8-month-old female who has meningitis bulge?

Explanation:
Bulging at the fontanel means intracranial pressure has risen. In an 8‑month‑old, the anterior fontanel remains open, so it can bulge outward when pressure inside the skull increases. Meningitis causes brain swelling (cerebral edema) and can block CSF pathways or absorption, leading to higher intracranial pressure. That elevated pressure pushes the fontanel outward, producing the bulge. This is a sign to monitor for potential worsening ICP, rather than a process like the meninges simply being weakened or the fontanel conceptually dilating.

Bulging at the fontanel means intracranial pressure has risen. In an 8‑month‑old, the anterior fontanel remains open, so it can bulge outward when pressure inside the skull increases. Meningitis causes brain swelling (cerebral edema) and can block CSF pathways or absorption, leading to higher intracranial pressure. That elevated pressure pushes the fontanel outward, producing the bulge. This is a sign to monitor for potential worsening ICP, rather than a process like the meninges simply being weakened or the fontanel conceptually dilating.

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