to determine the reliability of two dimensional echographic images of the left ventricle with different two dimensional echographic instruments , two dimensional echographic images of the left ventricle were compared in vitro using two phased array and two mechanical systems to image 22 short axis slices of the three postmortem human hearts ( one with infarction , one with left ventricular aneurysm , one with mitral regurgitation ) .
C0225897
left ventricle
C0018787
hearts