Comparative Analysis of Ischemic Changes in Electrocardiography and Coronary Artery Angiography as Gold Standard
Background: Ischemic heart disease (IHD) is a leading cause of death worldwide. Coronary angiography (CAG) is the gold standard for diagnosing coronary artery disease, but it is invasive and costly. The electrocardiogram (ECG) is cheap, safe and widely available, yet its diagnostic performance varies across populations...