An example of a "false negative" test result would be of a 65-year-old man who has typical angina and an almost "full house" of cardiovascular risk factors (he smokes, he is very overweight, he has a high cholesterol level, and he has high blood pressure and diabetes). When he does the exercise test, there are no ECG changes and he does not get angina. This test is almost certainly wrong and misleading. The fact that he has angina means that he has at least a 95% chance of having coronary heart disease, even ignoring his risk factors.
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