Internal hydrocephalus

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  • Parinaud's Syndrome Also known as dorsal midbrain syndrome, this is a distinct supranuclear vertical gaze disorder from damage to the posterior commissure. It is a classic sign of hydrocephalus from aqueductal stenosis. Pineal region tumors, cysticercosis, and stroke also cause Parinaud's syndrome. Features include loss of upgaze (and sometimes downgaze), convergence-retraction nystagmus on attempted upgaze, downwards ocular deviation ("setting sun" sign), lid retraction (Collier's sign), skew deviation, pseudoabducens palsy, and light-near dissociation of the pupils.

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  • Nurse educators always have a dual role—they are both nurses and educators. As nurses they often have a specialty, such as psychiatric nursing or nephrology nursing, and they need to keep up with developments in that specialty, both in terms of the literature and the practice. When such nurses become educators, they also have to master the field of education, and keep up with what is new in the field of education, both in terms of theory and practice.

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  • Differential Diagnosis Nausea and vomiting are caused by conditions within and outside the gut as well as by drugs and circulating toxins (Table 39-1).

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  • When we began working in pediatric neurosurgery as advanced practice nurses, we searched for a reference that would explain the different neurosurgical conditions affecting our patients and teach us how to care for them. There was nothing to be found. We asked our colleagues for a reference and they, too, had found none. “Someone should write a book about how to care for pediatric neurosurgery patients,” we all said each time we met at the AANS pediatric neurosurgery section meeting. Finally, it dawned on us. We were the someone.

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