In acute pericarditis, the ECG typically shows a pattern of PR segment depression, concave ST-segment elevation, and T-wave inversion. 4 Myocarditis alone usually presents with nonspecific ST-segment ...
Pericarditis is inflammation of the sac around the heart, called the pericardium. If pericarditis becomes chronic, it can lead to pericardial effusion. This is when the pericardium fills with fluid.