title: Correlation and agreement are not always the same thing.
authors.forename: F
authors.initials: F
authors.lastname: Walsh
authors.forename: D
authors.initials: D
authors.lastname: Wigglesworth
authors.forename: C P
authors.initials: CP
authors.lastname: Tousignant
mesh_terms: D002302:Cardiac Output / Q000502:physiology*; D015150:Echocardiography, Doppler / Q000706:statistics & numerical data*; D017548:Echocardiography, Transesophageal / Q000706:statistics & numerical data*; D006801:Humans; D016031:Liver Transplantation; D013815:Thermodilution / Q000706:statistics & numerical data*