Tehran University of Medical Sciences Iranian Journal of Parasitology 1735-7020 15 1 2020 03 10 142 146 Freidoun SABZI Preventive Cardiovascular Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran Reza FARAJI Department of Biomedical Engineering, Zagros Higher Education Institute, Kermanshah, Iran 2020 03 10 The pericardial cysts (PC) are rare congenital anomaly. They are usually asymptomatic or incidentally found during surgery or by an imaging modality. We report a 35-yr-old man referred to Imam Ali Hospital, Kermanshah, western Iran in 2017, with palpitation, chest pain and dyspnea and physical exam revealed sign and symptoms of right atrial compression and tamponade. https://ijpa.tums.ac.ir/index.php/ijpa/article/view/2849 https://ijpa.tums.ac.ir/index.php/ijpa/article/download/2849/1023