An Intracardiac Mass in a Pediatric Patient
Thank you for visiting ACC.org. Please note that this item was published more than 5 years ago and therefore its content may be outdated. For more current information on this topic, we encourage you to visit our Congenital Heart Disease and Pediatric Cardiology Collection page.
An 8-year-old boy was referred to the cardiology clinic for left ventricular hypertrophy on a routine electrocardiogram, performed as part of the work-up for attention deficit hyperactivity disorder. His parents report declining exercise tolerance and shortness of breath in the preceding year, a change from his previous asymptomatic baseline, but deny any other symptoms; vital signs were within normal limits and cardiac exam was unremarkable. An echocardiogram was performed, select clips of which are shown below.
Figure 1: Short Axis View
Which of the following represents the next best step for evaluation of the patient?