Constrictive pericarditis is a rare disorder that occurs when the thin sac that surrounds and protects the heart becomes stiff and thick, limiting the heart’s ability to pump blood. Symptoms may ...

Constrictive pericarditis occurs when scarring and calcification of the pericardium result in loss of normal elasticity. This limits diastolic relaxation of the heart and causes congestive heart ...

Common causes of constrictive pericarditis include prior heart surgery, a history of radiation therapy, infections such as tuberculosis, chest injury, and other possible factors. Constrictive ...