title: A little knowledge is a dangerous thing. So is a lot.
authors.affiliation: Division of Pediatric Cardiac Anesthesia, Department of Anesthesiology, Perioperative, and Pain Medicine, Boston Children's Hospital, Boston, Mass. Electronic address: elena.ashikhmina@childrens.harvard.edu.
authors.forename: Elena
authors.initials: E
authors.lastname: Ashikhmina
mesh_terms: D017548:Echocardiography, Transesophageal / Q000009:adverse effects*; D005260:Female; D006338:Heart Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D009232:Myxoma / Q000000981:diagnostic imaging*; D011655:Pulmonary Embolism / Q000209:etiology*