Keywords: Pericarditis.jpg en Figure A shows the location of the heart and a normal heart and pericardium the sac surrounding the heart The inset image is an enlarged cross-section of the pericardium that shows its two layers of tissue and the fluid between the layers Figure B shows the heart with pericarditis The inset image is an enlarged cross-section that shows the inflamed and thickened layers of the pericardium 2013-11-12 22 58 38 National Heart Lung and Blood Institute NIH National Heart Lung and Blood Institute NIH PD-USGov Uploaded with UploadWizard Pericarditis Medical diagrams |