title: Universal and precise quantification of pulsatile and nonpulsatile pressure flow waveforms is necessary for direct and adequate comparisons among the results of different investigators.
authors.forename: Akif
authors.initials: A
authors.lastname: Undar
mesh_terms: D002985:Clinical Protocols / Q000592:standards; D005112:Extracorporeal Circulation / Q000295:instrumentation; D006353:Heart-Assist Devices / Q000592:standards*; D006801:Humans; D015588:Observer Variation; D011673:Pulsatile Flow