Christy L. McDonald Lenahan, DNP, FNP-BC, ENP-C, CNE, is an advanced practice registered nurse in family and emergency medicine who works for an emergency medicine and hospitalist staffing agency. She is also an associate professor at the University of Louisiana at Lafayette and teaches in the masters and doctoral programs.
All articles by Christy L. McDonald Lenahan, DNP, FNP-BC, ENP-C, CNE
Electrocardiography is performed in the emergency department to test for myocardial infarction. Image courtesy of Harrington et al.