Acute Pericarditis Electrocardiographic Changes Stage l: Diffuse, concave ST-segment elevation Stage II: ST segments normalize, J point returns to baseline, T-wave amplitude begins to decrease, PR-segment depression begins to appear Stage Ill: Symmetric, diffuse T-wave inversions Stage IV: Changes normalize or T-wave inversions may become permanent #Pericarditis #Electrocardiogram #ECG #EKG #Cardiology #Diagnosis
