[Echocardiographic location of a ball prosthesis placed in the aortic position].
D001021:Aortic Valve; D004452:Echocardiography; D006350:Heart Valve Prosthesis; D006801:Humans; D008991:Monitoring, Physiologic; D014463:Ultrasonography
Ekhokardiograficheskie zony lokatsii sharovogo proteza, ustanovlennogo v aortal'noĭ pozitsii.