to assess the ability of hemodynamic indexes of preload to estimate anatomical preload , or lv volume , we studied 45 patients during a coronary ( 18 patients ) or aortic valve ( 27 patients ) procedure and compared epicardial two-dimensional echocardiographic lv cavity area with simultaneous measurements of padp , pawp , and high-fidelity lvedp .
C0225897
lv
C0003501
aortic valve