Research Article
Electrical Remodeling of Ventricular Repolarization Abnormality after Treatment in Pheochromocytoma: U Wave Finding in a Retrospective Analysis
Figure 2
Example of 12 lead ECG in the same patient before and after treatment. (a) ECG at hospitalization. The arrows in red highlight the presence of U wave in D1, D2, D3, aVF, V3-V6 leads. (b) ECG four months after surgery. No evidence of U wave.