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B Renal blood flow and GFR Renal blood flow (RBF)

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 Is approximately 20% of the cardiac output at rest, and is delivered to the kidneys via the renal arteries.

 An uneven distribution exists within the kidney, as the renal cortex receives 90–95% of the blood.

 These activities account for about 10% of the body's oxygen utilization.Up to 80% of renal oxygen consumption is used for the process of sodium reabsorption.

 This high oxygen demand makes the kidney tubules susceptible to hypoxic damage, such as may occur with a decrease in perfusion during anesthesia.

Manual of Equine Anesthesia and Analgesia

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