[Significance of echocardiography].
D004452:Echocardiography; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006334:Heart Function Tests / Q000379:methods; D006352:Heart Ventricles; D006439:Hemodynamics; D006801:Humans; D008433:Mathematics; D011187:Posture
Zur Bedeutung der Echokardiographie.