Question 980
{"accessible":false,"alternatives":[{"id":4911,"text":"left atrium and the right ventricle"},{"id":4913,"text":"left ventricle and the right atrium"},{"id":4966,"text":"pulmonary artery and left ventricle"},{"id":4914,"text":"right atrium and pulmonary artery"},{"id":4915,"text":"right ventricle and inferior vena cava"},{"id":4912,"text":"superior vena cava and left atrium"}],"archived":false,"correctAlternativeId":4913,"explanation":"\u003cp\u003eA\u0026nbsp;\u003ca href=\"/articles/gerbode-defect\"\u003eGerbode defect\u003c/a\u003e\u0026nbsp;describes a rare abnormal communication between the \u003ca href=\"/articles/left-ventricle\"\u003eleft ventricle\u003c/a\u003e and \u003ca href=\"/articles/right-atrium\"\u003eright atrium\u003c/a\u003e through a defect in the membranous portion of the atrioventricular septum. It is usually congenital in etiology, however, acquired defects are\u0026nbsp;increasingly being reported (iatrogenic, \u003ca href=\"/articles/infective-endocarditis\"\u003einfective endocarditis\u003c/a\u003e, etc.).\u003c/p\u003e\u003cp\u003eThe other options describe very rare congenital defects, or\u0026nbsp;in the case of a communication\u0026nbsp;between the \u003ca href=\"/articles/right-ventricle\"\u003eright ventricle\u003c/a\u003e and \u003ca href=\"/articles/inferior-vena-cava-1\"\u003einferior vena cava\u003c/a\u003e, a theoretical defect\u0026nbsp;that has\u0026nbsp;not yet been reported in the literature. Interestingly, the\u0026nbsp;communication between the \u003ca href=\"/articles/right-atrium\"\u003eright atrium\u003c/a\u003e and \u003ca href=\"/articles/pulmonary-trunk\"\u003epulmonary artery\u003c/a\u003e has been described as a 'circular shunt' (see \u003ca href=\"/articles/cardiovascular-shunts\"\u003ecardiovascular shunts\u003c/a\u003e).\u003c/p\u003e","id":980,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/980","nextQuestionPath":null,"relatedArticles":[{"id":1159,"title":"Congenital cardiovascular anomalies","link":"/articles/congenital-cardiovascular-anomalies?lang=us"},{"id":35303,"title":"Cardiovascular shunts","link":"/articles/cardiovascular-shunts?lang=us"},{"id":57264,"title":"Gerbode defect","link":"/articles/gerbode-defect?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eA Gerbode defect is a communication between the...\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/980"}],"attemptsPercentages":[{"alternativeId":"4915","percentage":10},{"alternativeId":"4966","percentage":13},{"alternativeId":"4912","percentage":14},{"alternativeId":"4913","percentage":49},{"alternativeId":"4911","percentage":4},{"alternativeId":"4914","percentage":10}],"promptToLogin":false,"questionManager":false,"articleId":"acyanotic-congenital-heart-disease"}