2024年9月30日 · Alterations in the normal hepatic vein waveform may reveal or confirm abnormalities in the heart or liver. The shape of the hepatic vein spectral Doppler waveform is …

2019年12月30日 · This chapter reviews the normal hemodynamics of the liver and then considers the sonographic assessment of portal hypertension, portal vein obstruction, hepatic vein …

2023年8月13日 · Doppler liver ultrasonography constitutes an effective and non-invasive means of evaluating the hepatic vasculature. Understanding the normal and abnormal waveforms for …

2016年3月5日 · Therefore, Doppler sonography is frequently the first modality used to evaluate patients with suspected hepatic vascular disorders. This chapter reviews the normal …

The hepatic veins appear in ultrasound as thin-walled tubular anechoic structures enclosed by hepatic parenchyma. They are best approached by a right subcostal oblique view, allowing a …

2011年1月19日 · Doppler ultrasonography (US) is usually the first-line modality for evaluating flow in native liver vessels and transjugular intrahepatic portosystemic shunts (TIPS). Waveforms, …

2009年11月1日 · Duplex Doppler sonography is a fundamental component of the complete ultrasonographic examination of the liver. Accurate interpretation of the spectral Doppler …

We present a series of cases illustrating characteristic HV flow patterns associated with various cardiovascular and related disorders (Figures 1, 2, 3, 4, 5, and 6, Video 1). The requirements …

tations of both normally func-tioning and mal-functioning TIPS. Doppler ultrasonography (US) is usually the first-line modality for evaluat-ing flow in native liver v. ssels and transjugular …

A wave - atrial contraction causes retrograde flow back to liver, then rapid RV filling S wave - ventricular systole, antegrade flow into right atrium against closed TV V wave - opening of …