Objective To compare the efficiency of coronary artery angiogram (CAG) with myocardial perfusion SPECT in the diagnosis of coronary artery disease (CAD).

• 目的比较冠状动脉造影(CAG)和单光子发射计算机心肌断层灌注显像(SPECT)在诊断冠心病中的敏感性和特异性。