On measuring left ventricular volume.
D000790:Angiocardiography; D006332:Cardiomegaly / Q000175:diagnosis*; D003287:Contrast Media; D006321:Heart / Q000502:physiology*; D006334:Heart Function Tests; D006801:Humans; D011859:Radiography; D016276:Ventricular Function
D003287:Contrast Media