1. This pericardial sac is filled with a serous fluid for lubrication. 2. It is divided from the pericardial cavity by the transverse septum. 3. Since the early 1980s several modified pericardial valves have been built. 4. Pleural and pericardial effusion, sometimes sanguineous, has also been reported. 5. Examples of effusion fluid are pleural effusion and pericardial effusion. 6. pericardial tissue and is implanted via a catheter-based delivery system.7. Repair of the native valve with a pericardial patch has been described. 8. Grabenwoger found similar pathologic changes in the failed Sorin Pericarbon pericardial valve. 9. Barton wrote his first publication in 1934 on pericardial hemorrhage in scurvy. 10. It contains three potential spaces lined with mesothelium : the paired pericardial cavity.