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By Mayo Clinic staffNo special preparations are necessary. However, avoid drinking cold water or exercising immediately before an electrocardiogram. Cold water can produce potentially misleading changes in one of the electrical patterns recorded during the test. Physical activity, such as climbing stairs, may increase your heart rate.
References
- Electrocardiogram (EKG or ECG). American Heart Association. http://www.americanheart.org/presenter.jhtml?identifier=3005172. Accessed May 11, 2010.
- Electrocardiogram. National Heart, Lung, and Blood Institute. http://www.nhlbi.nih.gov/health/dci/Diseases/ekg/ekg_all.html. Accessed May 11, 2010.
- What are Holter, event, and transtelephonic monitors? American Heart Association. http://www.americanheart.org/presenter.jhtml?identifier=3005149. Accessed Feb. 23, 2009.
- Stress testing. National Heart, Lung, and Blood Institute. http://www.nhlbi.nih.gov/health/dci/Diseases/stress/stress_whatis.html. Accessed Sept. 30, 2009.
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