“The bursa is usually found to be hyperemic, thickened, and in some cases filled with fibrinous loose bodies and bursal fluid.”
“Depending on the underlying cause, the acute inflammatory response in pericarditis may produce serous fluid, pus, or dense fibrinous material.”
“He later presented with cardiomyopathy with severe aortic insufficiency due to the destruction of the aortic valve prosthesis by sterile fibrinous vegetation.”