preferred_name: Left ventricular ejection fraction (lvef) >= 40% or documentation as normal or mildly depressed left ventricular systolic function
preferred_name_lc: left ventricular ejection fraction (lvef) >= 40% or documentation as normal or mildly depressed left ventricular systolic function
label: Lvef>=40% doc normal or mild
label_lc: lvef>=40% doc normal or mild