The clinical diagnosis of acute pericarditis is based ... At least two out of the four criteria are needed for a diagnosis. [6] The initial diagnostic evaluation of a patient with suspicion ...

Myopericarditis is a primarily pericardial inflammatory syndrome occurring when clinical diagnostic criteria for pericarditis are ... concomitant with an acute respiratory illness (especially ...

all of which are seen in about 50% of cases of pericarditis. Stage I (acute phase): Diffuse concave upward ST segment elevation in most leads, PR depression in most leads (may be subtle ...