An older adult patient being prepared for surgery is scheduled for an electrocardiogram. What should the nurse explain to the patient regarding the purpose of this test?
1. It is routine for all patients having general anesthesia.
2. It is used to diagnose preexisting cardiac disease.
3. It is one way to validate laboratory values
4. It is a predictor of surgical procedure success.
Correct Answer: 1
An electrocardiogram (ECG) is ordered routinely for patients undergoing general anesthesia when they are over 40 years of age or have cardiovascular disease. The electrocardiogram might detect preexisting cardiac disease but will not diagnose disease. The electrocardiogram will not validate laboratory values and is not used to predict the success of surgical procedures.
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