Question 2618
{"accessible":false,"alternatives":[{"id":12842,"text":"aortic valve disease and left heart failure"},{"id":12843,"text":"congenital heart disease and pulmonary veno-occlusive disease (PVOD)"},{"id":12844,"text":"chronic pulmonary artery obstruction"},{"id":12845,"text":"hematological disorders"}],"archived":false,"correctAlternativeId":12843,"explanation":"\u003cp\u003eGroup 1 includes pre-capillary/arteriolar predominant process – grouped as pulmonary arterial hypertension. Although pulmonary veno-occlusive disease (PVOD) has a significant venular component, it is included in Group 1.\u003c/p\u003e","id":2618,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2618","nextQuestionPath":"/articles/congenital-cardiovascular-anomalies/questions/982","relatedArticles":[{"id":71597,"title":"Left heart failure","link":"/articles/left-heart-failure?lang=us"},{"id":8843,"title":"Pulmonary hypertension","link":"/articles/pulmonary-hypertension-1?lang=us"},{"id":16679,"title":"Pulmonary veno-occlusive disease","link":"/articles/pulmonary-veno-occlusive-disease-1?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\u003eAccording to the WHO Classification, Group 1 pulmonary hypertension includes which of the following etiologies?\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/2618"}],"attemptsPercentages":[{"alternativeId":"12844","percentage":21},{"alternativeId":"12842","percentage":15},{"alternativeId":"12845","percentage":8},{"alternativeId":"12843","percentage":57}],"promptToLogin":false,"questionManager":false,"articleId":"congenital-cardiovascular-anomalies"}