A case of cardiac tamponade with a “small” pericardial effusion and superior vena cava syndrome

In this article, we report a case of a previously healthy 11-year-old male who presented to our university hospital with a mediastinal mass, a left and right pleural effusion, and a small pericardial effusion of 5 mm, detected on computed tomography scan and echocardiography. On assessment, he had all the clinical features of superior vena cava syndrome and tamponade, including muffled heart sounds, tachycardia, and pulsus paradoxus. The …