<unk>  is a type of pericarditis (inflammation of the sac surrounding the heart, the pericardium) usually lasting less than 6 weeks. It is the most common condition affecting the pericardium.
Acute pericarditis
Myocardial stunning
Wooden chest syndrome
Uremic pericarditis
Acute coronary syndrome
Acute chest syndrome
Constrictive pericarditis
Unstable angina