has typical ECG findings. These findings occur in progressive stages, all of which are seen in about 50% of cases of pericarditis. Stage I (acute phase): Diffuse concave upward ST segment ...

The clinical diagnosis of acute pericarditis is based on simple criteria ... effusion should include physical examination, ECG, echocardiography and chest x-ray (Figure 5). The diagnosis of ...

PR segment depression can be from acute pericarditis or an atrial infarction. Diffuse T wave inversion is stage III of the ECG changes in pericarditis. Pericarditis can be distinguished from early ...

and an electrocardiogram was performed at 1, 6, and 12 months post-presentation. A total of 486 patients were enrolled (initial diagnosis of acute pericarditis in 346 patients, 114 with ...