©RSNA, 2011 • radiographics.rsna.org
LEARNING OBJECTIVES FOR TEST
After reading this article and taking the test, the reader will be able to:
■■Discuss the basic concepts and terminology for vascular Doppler US.
■■Recognize the characteristic appearances of normal and abnormal liver Doppler waveforms.
■■Describe the US manifestations of both normally functioning and malfunctioning TIPS.
Abbreviations: CHF = congestive heart failure, IVC = inferior vena cava, PI = pulsatility index, RI = resistive index, TIPS = transjugular intrahepatic portosystemic shunt
RadioGraphics 2011; 31:161–188