The document discusses several cardiovascular disorders including pericarditis, myocarditis, and endocarditis. Pericarditis is an inflammation of the pericardium and can be caused by infections, injuries, or autoimmune disorders. Myocarditis is an inflammation of the myocardium that may cause heart dilation and damage. Endocarditis is a bacterial infection of the heart valves that can develop over weeks or months from organisms entering the bloodstream.