Overview
The pericardium is a thin double-layered sac which encloses the heart. Fluid is contained within the layers and lubricates the constantly rubbing surfaces.
Review Date 5/13/2024
Updated by: Mary C. Mancini, MD, PhD, Cardiothoracic Surgeon, Shreveport, LA. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.