Cardiac tamponade
（重定向自Pericardial tamponade）
![](/Images/godic/202502/02/Hemorragic_effusion1537.jpg")
![Hemopericardium, wherein the pericardium becomes filled with blood, is one cause of cardiac tamponade.](/Images/godic/202502/02/Blausen_0164_CardiacTamponade_021537.png")
Cardiac tamponade, also known as pericardial tamponade, is a type of pericardial effusion in which fluid, pus, blood, clots, or gas accumulates in the pericardium (the sac in which the heart is enclosed), resulting in slow or rapid compression of the heart.