preferred_name: isotope cardiac ventriculography at rest, feet down, LV Function Vs. Previous Study, unchanged
preferred_name_lc: isotope cardiac ventriculography at rest, feet down, lv function vs. previous study, unchanged
label: isotope cardiac ventriculography at rest, feet down, LV Function Vs. Previous Study, unchanged
label_lc: isotope cardiac ventriculography at rest, feet down, lv function vs. previous study, unchanged