Electrocardiography, Continuous: References

Braunwald, E., & Bonow, R. O. (2012). Braunwald's heart disease: a textbook of cardiovascular medicine (9th ed.). Philadelphia: Saunders.

Heart Rhythm Society (2011). Electrocardiogram. Retrieved from http://www.hrsonline.org/patientinfo/symptomsdiagnosis/hearttests/electro/.

National Institutes of Health; National Heart, Lung & Blood Institute (2010, October 10). What is an electrocardiogram Retrieved from http://www.nhlbi.nih.gov/health/health-topics/topics/ekg/.