Objective To investigate the diagnostic value of exercise electrocardiography test (EET), single photon emission computed tomography (SPECT) and dobutamine stress echocardiography (DSE) in coronary artery disease (CAD).

• 目的评价运动心电图试验（EET）、心肌灌注单光子发射计算机断层显像（SPECT）、多巴酚丁胺负荷超声心动图（DSE）对冠心病的诊断价值。