If the person with old dubiety of coronary heart disease moves electrocardiogram test result is positive , we decide its may be true positive , the likelihood needs to make inspection of radiography of coronal arteries and veins ; but if diminutive of dubiety of coronary heart disease moves electrocardiogram test result is positive , the possibility with its electropositive holiday is larger 冠心病可疑性大的人假如运动心电图试验结果阳性,我们判定其可能是真阳性,可能需要做冠脉造影检查;但是冠心病可疑性小的人假如运动心电图试验结果阳性,其假阳性的可能性较大。