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Paroxysmal supraventricular tachycardia (PSVT) is similar to coronary artery disease (CAD) in that it is often accompanied by chest pain, ST segment depression or elevated cardiac troponin in the electrocardiogram (ECG). Studies have shown that only 20%-40% of these patients are diagnosed with CAD by coronary angiography and even lower in foreign countries. Therefore, a noninvasive and simple method is urgently needed in practice to determine the high-risk population of PSVT patients with CAD, so as to avoid excessive examination and waste of medical resources. Cardiac troponin and ECG are favored in clinic because of their simple, economical and non-invasive detection methods. By analyzing the mechanism, it is concluded that elevated troponin and ST segment depression are of low predictive value for CAD diagnosis in PSVT patients, and it is necessary to further evaluate the risk factors for cardiovascular disease in these patients to determine whether coronary angiography is required. However, it is worth noting that ST segment depression in PSVT patients may be associated with coronary microcirculation lesions. Future research should also start from the pathogenesis, symptoms and characteristics of coronary microcirculation lesions to find more similarities and differences with PSVT combined with ST segment depression. This paper may contribute to a better understanding of troponin elevation and ST segment depression in PSVT patients.

cardiology and cardiovascular research

Advances in the Value of Cardiac Troponin and ST Segment Depression in Predicting Coronary Artery Disease in Patients with Paroxysmal Supraventricular Tachycardia