Question 258
{"accessible":false,"alternatives":[{"id":1253,"text":"anterior mediastinal mass"},{"id":1254,"text":"cardiomegaly"},{"id":1255,"text":"large epicardial fat pad"},{"id":1256,"text":"middle mediastinal mass"},{"id":1257,"text":"pericardial effusion"},{"id":1258,"text":"posterior mediastinal mass"}],"archived":false,"correctAlternativeId":1254,"explanation":"\u003cp\u003eCardiomegaly is by far the most common cause of an enlarged cardiac silhouette.\u0026nbsp;\u003c/p\u003e","id":258,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2213","nextQuestionPath":null,"relatedArticles":[{"id":12661,"title":"Cardiomegaly","link":"/articles/cardiomegaly?lang=us"},{"id":7729,"title":"Pericardial effusion","link":"/articles/pericardial-effusion?lang=us"},{"id":9385,"title":"Posterior mediastinal mass (differential diagnosis)","link":"/articles/posterior-mediastinal-mass-differential-diagnosis-1?lang=us"},{"id":45104,"title":"Middle mediastinal mass","link":"/articles/middle-mediastinal-mass?lang=us"},{"id":15282,"title":"Enlargement of the cardiac silhouette","link":"/articles/enlargement-of-the-cardiac-silhouette?lang=us"},{"id":38494,"title":"Pericardial fat pads","link":"/articles/pericardial-fat-pads-2?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhat is the most common cause of an enlarged cardiac silhouette on a PA chest x-ray?\u0026nbsp;\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/258"}],"attemptsPercentages":[{"alternativeId":"1258","percentage":2},{"alternativeId":"1254","percentage":65},{"alternativeId":"1257","percentage":7},{"alternativeId":"1253","percentage":6},{"alternativeId":"1255","percentage":18},{"alternativeId":"1256","percentage":2}],"promptToLogin":false,"questionManager":false,"articleId":"anterior-mediastinal-mass"}