HealthWise KnowledgeBase
Exercise Electrocardiogram
What Affects the Test
You may not be able to have the test or the results may not be accurate if:
- The electrodes are not securely attached to the skin.
- You are not able to exercise hard enough during the test.
- You take certain medicines, such as digoxin, phenothiazines, and some antiarrhythmic medicines.
- You have a low Reference potassium Opens New Window level.
- You smoke or eat a heavy meal before the test.
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