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 ...

Acute pericarditis is a condition in which inflammation occurs in the pericardium, the fluid-filled sac that surrounds the heart. “Acute” means the condition develops quickly or suddenly. The ...

A 32-year-old man with previously undiagnosed Poland syndrome presented with acute, severe, tearing chest pain radiating to the back, which worsened when lying down and improved when sitting. The ...

Credit: Getty Images A discussion on the new American Heart Association’s pericarditis initiative with Jimmy Kerrigan, MD. For the estimated 40,000 adults with recurrent pericarditis in the United ...