If a patient is capable of achieving the target heart rate during exercise and if good-quality images are obtained, a nuclear stress test can accurately diagnose a serious disease in approximately 85% of patients with coronary artery disease. However, in 10-15 % of patients, a false positive test may occur. However, there are other stress tests like a stress ECG or a stress echo which can help in confirmation or ruling out the presence of coronary artery disease. I sincerely hope that helps. Take care.
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