Question 1777
{"accessible":false,"alternatives":[{"id":8822,"text":"CBV (cerebral blood volume)"},{"id":8823,"text":"DWI (diffusion weighted imaging) "},{"id":8824,"text":"FLAIR (fluid attenuated inversion recovery)"},{"id":8825,"text":"SWI (susceptibility weighted imaging)"},{"id":8826,"text":"T1"},{"id":8827,"text":"T2"}],"archived":false,"correctAlternativeId":8825,"explanation":"\u003cp\u003eSusceptibility-weighted imaging (SWI) is extremely sensitive to even small amounts of compounds that\u0026nbsp;distort the local magnetic field. Thus, SWI is useful in detecting blood products, calcium, etc...\u003c/p\u003e\u003cp\u003eAs a result, however, subacute infarcts can appear worrisome because of the presence of numerous tiny blooming petechial hemorrhages (ECASS II hemorrhagic infarction type I and 2). This should not be misinterpreted as the far more serious parenchymal hematomas.\u0026nbsp;\u003c/p\u003e","id":1777,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1791","nextQuestionPath":null,"relatedArticles":[],"alsoUsedIn":[{"id":771,"kind":"Course","title":"Stroke Learning Pathway - page 771","link":"https://radiopaedia.org/courses/stroke-learning-pathway/pages/771"},{"id":1230,"kind":"Course","title":"Enhancing Brain Tumours Learning Pathway - page 1230","link":"https://radiopaedia.org/courses/enhancing-brain-tumours-learning-pathway/pages/1230"},{"id":1230,"kind":"Course","title":"Brain Tumours Learning Pathway - page 1230","link":"https://radiopaedia.org/courses/brain-tumours-learning-pathway/pages/1230"},{"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\u003eIn patients with ischemic infarcts, which of the following sequences is most sensitive for the presence of hemorrhagic transformation?\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/1777"}],"attemptsPercentages":[{"alternativeId":"8823","percentage":6},{"alternativeId":"8826","percentage":2},{"alternativeId":"8824","percentage":3},{"alternativeId":"8825","percentage":86},{"alternativeId":"8822","percentage":1},{"alternativeId":"8827","percentage":2}],"promptToLogin":false,"questionManager":false,"articleId":"hemorrhagic-transformation-of-ischemic-stroke"}