isotope cardiac ventriculography at rest, feet down, LV Function Vs. Previous Study, improved
isotope cardiac ventriculography at rest, feet down, lv function vs. previous study, improved
isotope cardiac ventriculography at rest, feet down, LV Function Vs. Previous Study, improved (procedure)
isotope cardiac ventriculography at rest, feet down, lv function vs. previous study, improved (procedure)