一、饱餐试验 1.原理:饱餐后能增加心脏负担,增加心输出量,同时饱餐后可反射性引起冠状动脉血流减少。 2.优点:方法简单、安全、无禁忌症,只要能进食即可做。老年人、有关节炎者、活动受限者尤其适应。 3.缺点:阳性率不高,假阳性率较高,特异性差,只能做为初步漏选用。 First, the full meal test 1. Principle: After a meal can increase the heart burden, increase cardiac output, while reflex can cause coronary blood flow decreased after a meal. 2. Advantages: The method is simple, safe, no contraindications, as long as you can eat can do. Elderly people, those with arthritis, those with limited mobility are particularly well-suited. 3. Disadvantages: positive rate is not high, false positive rate is higher, specificity is poor, can only be used as a preliminary missed selection.