title: Accuracy of subxiphoid echocardiography for assessing left ventricular size and performance.
mesh_terms: D000328:Adult; D000368:Aged; D002932:Cineangiography; D004452:Echocardiography; D005260:Female; D006352:Heart Ventricles / Q000000981:diagnostic imaging / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged