Mahdi Kahrom - Department of Cardiovascular Surgery, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Masoomeh Tabari - Department of Anesthesiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

An idiopathic chronic pericardial effusion which has occurred due to pericardial fluid collection can continue for over a three-month duration without obvious cause. Massive chronic pericardial effusion without cardiac tamponade is quite unusual. We present a male patient with chronic huge pericardial effusion who underwent a pericardial window procedure with ۳۶۰۰ milliliters drainage of pericardial fluid.

Pericardial Effusion, Pericardial syndrome, Cardiac Tamponade