@inbook{57260234, author={Bessie Kachulis, MD and Ann E. Bingham, MD}, editor={Atchabahian, Arthur and Gupta, Ruchir}, title={Chapter 5. Preoperative EKG}, booktitle={The Anesthesia Guide}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2013}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=57260234} }