The clinical diagnosis of acute pericarditis is based on simple ... elevated markers of inflammation and ECG changes or pericardial effusion). Chronic cases are manifested by the persistence ...

Acute pericarditis is diagnosed by the presence of two or more of the following features: chest pain, pericardial friction rub, ECG changes (diffuse ST-segment elevation or PR depression ...

An ECG classically shows widespread concave "saddle-shaped" ST elevation in acute pericarditis. The ST segment represents the ...