Do Post-Operative Electrocardiographic (ECG) Changes Indicate any Underlying Graft Problem after CABG? Correlation of Early Post-Operative ECG Changes with CT Coronary Angiography (CTCA). ccm. 2023;7(3):162-168. Accessed September 17, 2026. https://fortunejournals.org/ojs/index.php/ccm/article/view/16408