Question 1778
{"accessible":false,"alternatives":[{"id":8828,"text":"an ASPECT score of 1"},{"id":8829,"text":"an NIHSS score of 31"},{"id":8830,"text":"calcified thromboembolism"},{"id":8831,"text":"large collaterals"},{"id":8832,"text":"presence of microhemorrhages on pre-stroke MRI"}],"archived":false,"correctAlternativeId":8831,"explanation":"\u003cp\u003eIdentifying good \u003ca title=\"Collateral vessels in acute stroke\" class=\"internal\" href=\"/articles/collateral-vessels-in-acute-stroke\"\u003ecollateral flow\u003c/a\u003e is an important marker of a better outcome and make it more likely that patients will progress slowly from penumbra to infarct core.\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003ca title=\"Alberta stroke program early CT score (ASPECTS)\" class=\"internal\" href=\"/articles/alberta-stroke-program-early-ct-score-aspects-1\"\u003eASPECT\u003c/a\u003e score is a segmental assessment of the\u0026nbsp;middle cerebral artery (MCA)\u0026nbsp;vascular territory where 1 point is deducted from the initial score of 10 for every region involved. The lower the score the worse the outcome.\u0026nbsp;\u003c/p\u003e\u003cul\u003e\u003c/ul\u003e\u003cp\u003eMicrohemorrhages on pre-stroke imaging have been shown to be a predictor of hemorrhagic transformation and thus are a poor prognostic factor.\u0026nbsp;\u003c/p\u003e\u003cp\u003eThe\u0026nbsp;\u003ca title=\"National Institutes of Health Stroke Scale (NIHSS)\" class=\"internal\" href=\"/articles/national-institutes-of-health-stroke-scale-nihss-2\"\u003eNational Institutes of Health Stroke Scale (NIHSS)\u003c/a\u003e\u0026nbsp;is a score calculated from 11 components and is used to quantify the severity of strokes. Scores from each component are summed giving a single value ranging from 0 (normal) to 42 (most severe).\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003ca title=\"Calcified cerebral emboli\" class=\"internal\" href=\"/articles/calcified-cerebral-embolus-1\"\u003eCalcified cerebral emboli\u003c/a\u003e respond less readily to thrombolysis and are more dangerous to retrieve.\u0026nbsp;\u003c/p\u003e","id":1778,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1778","nextQuestionPath":"/articles/alberta-stroke-programme-early-ct-score-aspects/questions/1520","relatedArticles":[{"id":23540,"title":"National Institutes of Health Stroke Scale","link":"/articles/national-institutes-of-health-stroke-scale-1?lang=us"},{"id":23452,"title":"Hemorrhagic transformation of ischemic stroke","link":"/articles/haemorrhagic-transformation-of-ischaemic-stroke?lang=us"},{"id":71487,"title":"Collateral vessels in acute stroke","link":"/articles/collateral-vessels-in-acute-stroke?lang=us"},{"id":54060,"title":"Calcified cerebral embolus","link":"/articles/calcified-cerebral-embolus-1?lang=us"}],"alsoUsedIn":[{"id":985,"kind":"Course","title":"2021 Virtual Conference Private Use - page 985","link":"https://radiopaedia.org/courses/2021-virtual-conference-private-use/pages/985"},{"id":985,"kind":"Course","title":"2022 Virtual Conference Private Use - page 985","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/985"},{"id":970,"kind":"RestrictedPage","title":"Page 970 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/970"},{"id":955,"kind":"RestrictedPage","title":"Page 955 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/955"},{"id":1,"kind":"LiveSchedule","title":"1","link":"https://radiopaedia.org/admin/live_schedules/1"},{"id":21,"kind":"LiveSchedule","title":"21","link":"https://radiopaedia.org/admin/live_schedules/21"},{"id":771,"kind":"Course","title":"Stroke Learning Pathway - page 771","link":"https://radiopaedia.org/courses/stroke-learning-pathway/pages/771"},{"id":928,"kind":"Course","title":"2021 Virtual Conference Private Use - page 928","link":"https://radiopaedia.org/courses/2021-virtual-conference-private-use/pages/928"},{"id":928,"kind":"Course","title":"CT \u0026 MRI Lectures - page 928","link":"https://radiopaedia.org/courses/ct-mri-lectures/pages/928"},{"id":2108,"kind":"Course","title":"Stroke Learning Pathway - peer review - page 2108","link":"https://radiopaedia.org/courses/stroke-learning-pathway-peer-review/pages/2108"}],"stem":"\u003cp\u003eWhich of the following factors is a predictor of a relatively better outcome in ischemic stroke?\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/1778"}],"attemptsPercentages":[{"alternativeId":"8830","percentage":2},{"alternativeId":"8831","percentage":83},{"alternativeId":"8828","percentage":10},{"alternativeId":"8829","percentage":4},{"alternativeId":"8832","percentage":1}],"promptToLogin":false,"questionManager":false,"articleId":"alberta-stroke-programme-early-ct-score-aspects"}