title: Challenges in comparison of Doppler CO measurement methods and the importance of understanding ultrasound theory and practice.
authors.affiliation: School of Medicine, The University of Queensland, Brisbane, QLD, Australia. rap.echo@bigpond.com
authors.forename: Rob A
authors.initials: RA
authors.lastname: Phillips
authors.forename: Brendan E
authors.initials: BE
authors.lastname: Smith
mesh_terms: D000465:Algorithms; D000886:Anthropometry / Q000379:methods; D002302:Cardiac Output; D002318:Cardiovascular Diseases / Q000175:diagnosis; D002983:Clinical Competence; D015331:Cohort Studies; D004452:Echocardiography / Q000379:methods; D004636:Emergency Service, Hospital; D006339:Heart Rate; D006801:Humans; D015203:Reproducibility of Results; D014159:Transducers; D018608:Ultrasonography, Doppler / Q000379:methods*