Question 1353
{"accessible":false,"alternatives":[{"id":6749,"text":"absent due to obstruction"},{"id":6750,"text":"reduced"},{"id":6751,"text":"normal"},{"id":6752,"text":"hyperdynamic"}],"archived":false,"correctAlternativeId":6752,"explanation":"\u003cp\u003eThe precise pathophysiology of normal pressure hydrocephalus (NPH) remains elusive or, at the very least, controversial. Nonetheless, hyperdynamic CSF flow through the aqueduct is a well-established finding in NPH although its utility in patient selection for shunting and diagnosis is also far from certain.\u0026nbsp;\u003c/p\u003e","id":1353,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1358","nextQuestionPath":"/articles/normal-pressure-hydrocephalus/questions/1352","relatedArticles":[],"alsoUsedIn":[{"id":497,"kind":"Course","title":"Neurodegenerative Learning Pathway - page 497","link":"https://radiopaedia.org/courses/neurodegenerative-learning-pathway/pages/497"},{"id":1059,"kind":"Course","title":"Neurodegenerative Learning Pathway - page 1059","link":"https://radiopaedia.org/courses/neurodegenerative-learning-pathway/pages/1059"}],"stem":"\u003cp\u003eCSF flow studies of the aqueduct of Sylvius in an individual with normal pressure hydrocephalus (NPH) are most likely to demonstrate what kind of flow?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/1353"}],"attemptsPercentages":[{"alternativeId":"6751","percentage":10},{"alternativeId":"6749","percentage":2},{"alternativeId":"6750","percentage":10},{"alternativeId":"6752","percentage":78}],"promptToLogin":false,"questionManager":false,"articleId":"normal-pressure-hydrocephalus"}