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The test is halted if concerning symptoms arise. Once you reach a maximum heart rate, more radioactive dye is injected, and imaging studies are repeated. Your doctor then carefully examines and compares the images. Call the office or book your appointment online. Nuclear Testing. What can a nuclear stress test show? You may also need to have a stress test if you already receive treatment for a heart problem and your doctor wants to test how well your treatment is working.
During an exercise stress test, you walk on a treadmill while its speed is increased at regular intervals. The test continues until you reach a target heart rate or you develop heart symptoms. Your heart rate, breathing, and blood pressure are constantly monitored as you exercise.
Your overall well-being is also continuously watched during your test and experienced professionals are on hand in case you begin to feel weak or dizzy, or you have chest pain. Health problems, such as musculoskeletal disorders, peripheral artery disease, and obesity, may prevent patients from staying on a treadmill long enough to reach their target heart rate.
During this type of stress test, your doctor injects or infuses certain drugs that mimic the effect of exercise by increasing blood flow.
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