<div id="article-content-body"><p>A 53-year-old man presents to the emergency department (ED) with chest pain that started the previous night. The pain began about 30 minutes after he...
<div id="article-content-body"><p>The patient had a normal echocardiogram at age 16 when his father was found to have a bicuspid aortic valve. At age 18, he began experiencing...
A staff nurse calls the physician to see "something really bizarre—we have no idea what this is": the plastic of a urine collection bag of an 81-year-old woman has turned purple, although the...
