High-Resistance Arteries (Normal RI >0.7)

Causes of Spectral Broadening

Causes of Elevated Hepatic Arterial Resistance (RI >0.7)

Causes of Decreased Hepatic Arterial Resistance (RI <0.55)

Causes of Decreased Hepatic Venous Phasicity

Causes of Pulsatile Portal Venous Waveform

Findings That Are Diagnostic for Portal Hypertension

Causes of Absent Portal Venous Flow

Signs of TIPS Malfunction