title: P wave alterations.
authors.affiliation: Renown Health and Orvis School of Nursing, University of Nevada, Reno, Nevada, USA.
authors.forename: Michele M
authors.initials: MM
authors.lastname: Pelter
authors.forename: Mary G
authors.initials: MG
authors.lastname: Carey
mesh_terms: D000368:Aged; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006973:Hypertension / Q000150:complications; D008943:Mitral Valve / Q000601:surgery; D011184:Postoperative Period