What you can expect
By Mayo Clinic staffA nurse or medical assistant will use a needle to draw blood from a vein, most likely a vein in your arm. The site on your arm may be tender for a few hours, but you'll be able to resume most normal activities.
References
- Vajpayee N, et al. Hematology principles and procedures: Erythrocyte sedimentation rate. In: McPherson RA, et al. Henry's Clinical Diagnosis and Management by Laboratory Methods. 21st ed. Philadelphia, Pa.: W.B. Saunders Co.; 2006. http://www.mdconsult.com/das/book/body/216253686-3/1043810485/1393/191.html#4-u1.0-B1-4160-0287-1..50033-1--cesec81_1878. Accessed Aug. 25, 2010.
- Warner EA, et al. Common laboratory tests. In: Rakel RA. Textbook of Family Medicine. 7th ed. Philadelphia, Pa.: Saunders Elsevier; 2007. http://www.mdconsult.com/das/book/body/216253686-3/1043810485/1481/690.html#4-u1.0-B978-1-4160-2467-5..50068-3--cesec27_4380. Accessed Aug. 25, 2010.
- ESR. Lab Tests Online. American Association for Clinical Chemistry. http://www.labtestsonline.org/understanding/analytes/esr/multiprint.html. Accessed Aug. 25, 2010.
- Laboratory reference values. Sedimentation. Rochester, Minn.: Mayo Foundation for Medical Education and Research; August 2010.


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