Videodensitometric determination of left ventricular ejection and filling characteristics.
D015502:Absorptiometry, Photon / Q000379:methods*; D000792:Angiography; D000818:Animals; D002302:Cardiac Output; D003202:Computers, Analog; D004285:Dogs; D006321:Heart / Q000000981:diagnostic imaging / Q000502:physiology*; D009862:Online Systems; D016276:Ventricular Function; D014743:Videotape Recording / Q000379:methods*