Estimation of left ventricular volume from apical orthogonal 2-D echocardiograms.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002932:Cineangiography; D004452:Echocardiography / Q000379:methods*; D005260:Female; D006352:Heart Ventricles / Q000033:anatomy & histology*; D006801:Humans; D008297:Male; D008875:Middle Aged