title: Discrepancies between tissue Doppler velocities on different echocardiography machines: comparing apples to oranges.
authors.affiliation: Echocardiography Laboratory, Division of Cardiology, St. Luke's-Roosevelt Hospital Center, Columbia University College of Physicians and Surgeons, New York, New York, USA. dhalpern@chpnet.org
authors.forename: Dan G
authors.initials: DG
authors.lastname: Halpern
authors.forename: Monica
authors.initials: M
authors.lastname: Sanchez-Ross
authors.forename: Sandeep
authors.initials: S
authors.lastname: Joshi
authors.forename: Deborah
authors.initials: D
authors.lastname: Cantales
authors.forename: Farooq A
authors.initials: FA
authors.lastname: Chaudhry
authors.forename: Mark V
authors.initials: MV
authors.lastname: Sherrid
mesh_terms: D000328:Adult; D004452:Echocardiography / Q000295:instrumentation*; D054459:Elasticity Imaging Techniques / Q000295:instrumentation*; D004867:Equipment Design; D019544:Equipment Failure Analysis; D006801:Humans; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity