Wiegers-Groeneweg, E.J.A.

volume variability echocardiography test-retest test-retest variability patient measurement right rt 3de sonographer sequential interobserver heart study imaging rv volumes acquisition intraobserver test-retest variability analysis american society heart disease assessment end-diastolic volume function ficient difference disease end-diastolic bland-altman analysis echocardiographic end-systolic volume intraobserver data sets variation society interobserver variability resonance imaging regression value zwaan end-systolic figure control rv volume american cmr imaging quanti fication coef ficients resonance difference coef ficient interobserver test-retest variability echocardiogr sequential acquisitions rv size table rv ef journal ejection fraction bland-altman adult fication ventricle agreement result practice technique rv end-diastolic volume sequential rv acquisitions border reproducibility fallot variation coef ficients quanti tetralogy ef assessment cardiology stroke volume number rv function regression line