Cardiac echo LV volume method:Prid:Pt:Heart.ventricle.left:Nom:*
cardiac echo lv volume method:prid:pt:heart.ventricle.left:nom:*
Cardiac echo LV volume method:Presence or Identity:To identify measures at a point in time:Heart.ventricle.left:Nominal:*
cardiac echo lv volume method:presence or identity:to identify measures at a point in time:heart.ventricle.left:nominal:*