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Venous Doppler findings in a clinic patient with acute kidney injury on chronic kidney disease. The initial examination demonstrates a D-only pattern on hepatic and renal parenchymal veins, with 40% pulsatility of the portal vein. The follow-up examination demonstrates both S and D waves below the baseline in the hepatic vein, <30% pulsatility of the portal vein, and venous flow both in systole and diastole in the renal parenchymal vein.
