|Cardiac tamponade is the pressure that is built on the heart by blood or other fluid which accumulates in the space around the pericardium. Cardiac tamponade, also known as pericardial tamponade, is an acute type of pericardial effusion in which fluid, pus, blood, clots, or gas. Accumulation of fluid within the pericardium space results in cardiac compression, reduction in venous return is termed as cardiac tamponade depending upon pericardial distensibility. It requires immediate fluid restoration and other support to alleviate the physiologic condition. The top open access journals are peer reviewed scholarly journals of clinical & experimental cardiology. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community. These journals are indexed with all their citations noted. The top open access journals are indexed in MEDLINE, PUBMED, SCOPUS, COPERNICUS, CAS, EBSCO and ISI.