Question 2820
{"accessible":false,"alternatives":[{"id":13764,"text":"A mode"},{"id":13765,"text":"B mode"},{"id":13766,"text":"Doppler mode"},{"id":13767,"text":"M mode"},{"id":13768,"text":"spectral doppler mode"}],"archived":false,"correctAlternativeId":13765,"explanation":"\u003cp\u003eB mode (Brightness mode) ultrasound imaging creates a 2D greyscale ultrasound image by converting the amplitude and timing of echo signals into a digital image. Multiple A lines of data are displayed to fill the frame and this frame is repeated rapidly. Which is perceived as a real time image by the human eye.\u003c/p\u003e","id":2820,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2828","nextQuestionPath":"/articles/doppler-waveforms/questions/389","relatedArticles":[{"id":66511,"title":"M-mode (ultrasound)","link":"/articles/m-mode-ultrasound?lang=us"},{"id":67204,"title":"Spectral Doppler (ultrasound)","link":"/articles/spectral-doppler-ultrasound?lang=us"},{"id":67640,"title":"Grey scale imaging (ultrasound)","link":"/articles/grey-scale-imaging-ultrasound?lang=us"}],"alsoUsedIn":[{"id":1615,"kind":"RestrictedPage","title":"Page 1615 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/1615"},{"id":1979,"kind":"Course","title":"Imaging Physics: Ultrasound Peer Review - page 1979","link":"https://radiopaedia.org/courses/imaging-physics-ultrasound-peer-review/pages/1979"},{"id":1979,"kind":"Course","title":"Imaging Physics: Ultrasound - page 1979","link":"https://radiopaedia.org/courses/imaging-physics-ultrasound/pages/1979"}],"stem":"\u003cp\u003eWhich ultrasound mode is used to generate a 2 dimensional greyscale image?\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/2820"}],"attemptsPercentages":[{"alternativeId":"13767","percentage":3},{"alternativeId":"13764","percentage":6},{"alternativeId":"13765","percentage":89},{"alternativeId":"13768","percentage":1},{"alternativeId":"13766","percentage":1}],"promptToLogin":false,"questionManager":false,"articleId":"doppler-waveforms"}