编辑部医生:我偶尔有胸口痛,初级保健医生推荐了压力测试。而由于我膝盖不好,心脏病专家让我通过一种药物进行压力测试,而不是做运动测试。幸运的是,结果均正常。但这让我想了解:哪种比较好呢?读者:高女士高女士:您好。在一个运动负荷试验过程中,需要在跑步机(或踏板固定自行车)上走路或跑步,使心脏负荷增加。此时心脏的速率、呼吸和血压是在进行监测的,而且心电图在测试过程中会记录你的心脏的电活动。一个运动负荷试验对帮助医生确 Editorial Department Doctor: I occasionally have chest pain, and primary care doctors recommend stress tests. And because of my poor knee, cardiologists let me stress-test with a drug rather than exercise testing. Fortunately, the results are normal. But this makes me want to know: What kind of is better? Reader: Ms. Gao Ms. Gao: Hello. During a stress test, you need to walk or run on a treadmill (or pedal stationary bike) to increase your heart load. At this point the heart rate, respiration, and blood pressure are monitored, and the cardiogram records your heart’s electrical activity during the test. A stress test to help doctors do