多巴酚丁胺负荷试验(DST)是近年来继潘生丁负荷试验(PST)后发展起来的又一药物负荷试验.DST可与ECG、UCG及核心脏病学检查如核素心血管造影(RNA)和心肌灌注显像(MPT)等相结合,因此,在临床上有着广泛的应用,尤其是对冠心病(CAD)的诊断和治疗有着特别重要的意义.本文拟就DST的原理、方法和临床应用等作一简要介绍. Dobutamine stress test (DST) is another drug load test developed in recent years following Dipyridamole Loading Test (PST) .DST can be used with ECG, UCG and nuclear cardiology tests such as radionuclide angiography (RNA) And myocardial perfusion imaging (MPT), so it has a wide range of clinical applications, especially for the diagnosis and treatment of coronary heart disease (CAD) has a particularly important significance.This paper intends to DST principles, methods and clinical Application for a brief introduction.