title: Orientation of the electrical heart axis in mid-term pregnancy.
authors.affiliation: Department of Obstetrics and Gynecology, Máxima Medical Center, Veldhoven, The Netherlands. Electronic address: kimverdurmen@live.nl.
authors.forename: Kim M J
authors.initials: KM
authors.lastname: Verdurmen
authors.affiliation: Department of Obstetrics and Gynecology, Máxima Medical Center, Veldhoven, The Netherlands.
authors.forename: Alexandra D J
authors.initials: AD
authors.lastname: Hulsenboom
authors.affiliation: Department of Obstetrics and Gynecology, Máxima Medical Center, Veldhoven, The Netherlands.
authors.forename: Judith O E H
authors.initials: JO
authors.lastname: van Laar
authors.affiliation: Department of Clinical Physics, Máxima Medical Center, Veldhoven, The Netherlands.
authors.forename: Pieter F F
authors.initials: PF
authors.lastname: Wijn
authors.affiliation: Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.
authors.forename: Rik
authors.initials: R
authors.lastname: Vullings
authors.affiliation: Department of Obstetrics and Gynecology, Máxima Medical Center, Veldhoven, The Netherlands; Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands.
authors.forename: S Guid
authors.initials: SG
authors.lastname: Oei
mesh_terms: D000328:Adult; D015148:Cardiotocography / Q000379:methods*; D004452:Echocardiography; D004566:Electrodes; D005260:Female; D006321:Heart / Q000000981:diagnostic imaging / Q000196:embryology* / Q000502:physiology / Q000503:physiopathology; D006331:Heart Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000196:embryology / Q000503:physiopathology; D006784:Hospitals, Teaching; D006801:Humans; D009426:Netherlands; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis / Q000379:methods; D011446:Prospective Studies; D012815:Signal Processing, Computer-Assisted; D016216:Ultrasonography, Prenatal; D014672:Vectorcardiography / Q000379:methods*