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(A) Pressure trace obtained from the inferior vena cava (IVC) of a canine. (B) Pressure traces obtained from the portal vein (PV) under baseline and portal hypertension (PH) conditions in a dog in the low-flow group. (C) Pressure traces obtained from the PV under baseline and PH states in a dog from the high-flow group. Note that the high pulsatility seen in the PV pressures after PH in the high-flow group relative to the pressures in panel B and the baseline pressure in panel C.
