Since acute idiopathic/viral pericarditis is a common ... but may be increased due to concomitant pericardial effusion. Pericardial calcification, a sign of chronicity, may be observed in chronic ...

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 ...

A pericardial knock can be present in patients with constrictive pericarditis as the early filling of the left ventricle is limited from the constrictive process. This pericardial knock occurs ...

In chronic constrictive pericarditis, the cause of pericardial stiffness is fibrosis and sometimes calcification, whereas it is inflammation and edema in transient constrictive pericarditis.