title: Is comparison of changes in cardiac output, assessed by different methods, better than only comparing cardiac output to the reference method?
authors.forename: N W F
authors.initials: NW
authors.lastname: Linton
authors.forename: R A F
authors.initials: RA
authors.lastname: Linton
mesh_terms: D001794:Blood Pressure / Q000502:physiology; D002138:Calibration; D002302:Cardiac Output; D006801:Humans; D008991:Monitoring, Physiologic / Q000379:methods*