Twenty-seven patients diagnosed coronary heart disease (CHD) were performeddobutamine electrocardiography testing (DET) and treadmill exercise testing (TET) before coro-nary angiography.

• 27例临床拟诊冠心病（CHD）患者在冠状动脉造影前同期作多巴酚丁胺心电图试验（DET）和心电图平板运动试验（TET）。