Pericardial disease are conditions that affect your pericardium. Your pericardium is a flexible, two-layered sac that surrounds your heart. Your pericardium contains your heart in your chest wall. It ...
Pericarditis often causes sudden chest pain that is sharp or stabbing. It can be mistaken for a heart attack. It also can mimic a lung condition. Carly Pearce vividly remembers the intense chest pain.