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Figure 1 ECG From Post-Operative Maximal EST at 6 Weeks and 20 Months

(A) The electrocardiogram (ECG) from a maximal exercise stress test (EST) 6 weeks after the unroofing procedure for anomalous right coronary artery (ARCA) shows inferior lead ST-segment depression. (B) The ECG from the same patient 20 months after ARCA surgery shows baseline Q waves in leads V₁, V₂, aVR, and aVL at rest with no ischemic changes during a maximal EST.