Too many cardiac tests, treatments occur in U.S.
Hundreds of thousands of healthy Americans have an annual electrocardiogram, EKG, and stress test to screen for coronary artery disease.
The stress test can be done in one of two ways. The heart can be stressed either by exercising on a treadmill while monitored by an EKG or by injecting a radioisotope and scanning the heart before and after exercise.
If exercise is difficult, the heart can be stressed by injecting the medication persantine. In either case, abnormalities can identify coronary artery disease.
The U.S. Preventive Services Task Force recently reaffirmed the opinion of many experts by recommending against routine EKGs and stress tests for healthy individuals at a low risk of having heart disease and who have no symptoms, such as chest pain or shortness of breath.
The task force found the tests often yield false results, leading to needless additional investigations that may cause more harm than good. Furthermore, a normal test is not a good predictor of future cardiac risk problems.
Even for those at a higher risk of heart disease, the task force does not believe there is enough evidence either for or against EKG and stress testing, and it suggests that a decision be made on a case-by-case basis between doctor and patient. So how do you determine your risk for having a heart attack?
This can easily be accomplished by entering information into a risk assessment tool developed by the American Heart Association at heart.org.
Their heart-attack risk calculator factors in the common conditions that contribute to a higher chance of having a heart attack: age, being a male or a post-menopausal female, strong family history of heart attacks, high blood pressure, elevated LDL (bad) cholesterol, a fasting blood sugar count greater than 100, smoking, being overweight, being sedentary and eating poorly.
Once completed, the tool provides information about the risk of having a heart attack within 10 years (mine is 12 percent) and what steps should be taken to address any problems.
As heart disease is clearly the leading cause of death, it is fair to assume that everyone is in some danger. So taking steps to improve your heart health is far more important and valuable than finding out during a stress test that significant coronary artery disease is already present.
This means being compulsive about living a heart healthy lifestyle, including exercising, eating right, not smoking and managing stress, as well as working closely with a physician to identify and correct treatable risk factors.
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