Emergency thoracotomy in the emergency room with pericardium incision. A: Subxiphoid view of bedside echocardiography performed by surgeon equipped with a head-cam. The presence of pericardial fluid (white arrow) enabled the diagnosis of cardiac tamponade to be made (video image capture). B: Left anterior thoracotomy and longitudinal incision over the pericardium made in the emergency department. The image shows significant hemorrhaging from the pericardium (video image capture).