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 ...

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 ...

Constrictive pericarditis is an uncommon form of heart failure in which the pericardium — the sac of tissue surrounding the heart — becomes stiff and prevents the heart from filling and pumping blood ...