Cardiac Tamponade [Disease/Finding] Cardiac Tamponade 1024098 C1546 Compression of the heart by accumulated fluid (PERICARDIAL EFFUSION) or blood (HEMOPERICARDIUM) in the PERICARDIUM surrounding the heart. The affected cardiac functions and CARDIAC OUTPUT can range from minimal to total hemodynamic collapse. C0007177 M0003456 Pericardial Tamponade N0000000684 Cardiac Tamponade 35304003 D002305 Heart Diseases [Disease/Finding]