Question 2619
{"accessible":false,"alternatives":[{"id":12846,"text":"inferior vena cava diameter \u003c1.5 cm"},{"id":12847,"text":"left ventricle: right ventricle ratio \u003e1"},{"id":12848,"text":"main pulmonary artery diameter of \u003e20 mm"},{"id":12849,"text":"main pulmonary artery:ascending aorta ratio \u003e1"}],"archived":false,"correctAlternativeId":12849,"explanation":"\u003cp\u003eA main pulmonary artery:ascending aorta ratio of \u0026gt;1 is one of the CT signs of pulmonary hypertension.\u003c/p\u003e\u003cp\u003eA right ventricle:left ventricle ratio \u0026gt;1 (not left ventricle: right ventricle ratio \u0026gt;1), main pulmonary diameter \u0026gt;30 mm and inferior vena cava diameter \u0026gt; 2 cm are all additional signs of pulmonary hypertension. These should all be taken in the clinical context and note made of the relative sensitivities and specificities of each sign.\u003c/p\u003e","id":2619,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2619","nextQuestionPath":"/articles/pulmonary-hypertension-1/questions/2618","relatedArticles":[{"id":149465,"title":"Pulmonary trunk to aortic ratio","link":"/articles/pulmonary-trunk-to-aortic-ratio-2?lang=us"}],"alsoUsedIn":[{"id":269,"kind":"LiveSchedule","title":"269","link":"https://radiopaedia.org/admin/live_schedules/269"},{"id":1725,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1725","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1725"},{"id":365,"kind":"LiveSchedule","title":"365","link":"https://radiopaedia.org/admin/live_schedules/365"},{"id":279,"kind":"LiveSchedule","title":"279","link":"https://radiopaedia.org/admin/live_schedules/279"},{"id":1479,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1479","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1479"},{"id":1479,"kind":"Course","title":"Chest Lectures - page 1479","link":"https://radiopaedia.org/courses/chest-lectures/pages/1479"}],"stem":"\u003cp\u003eWhich of the following are signs of pulmonary hypertension on thoracic CT?\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/2619"}],"attemptsPercentages":[{"alternativeId":"12849","percentage":89},{"alternativeId":"12848","percentage":7},{"alternativeId":"12846","percentage":1},{"alternativeId":"12847","percentage":4}],"promptToLogin":false,"questionManager":false,"articleId":"pulmonary-hypertension"}