Renal Replacement Therapy

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Renal replacement therapies are commonly used in the ICU to remove excess fluid and clear the blood of endogenous and exogenous toxins. This ICU OnePager explains the physics & physiology of dialysis, discussing the key concepts (dialysis = diffusion, hemofiltration/ultrafiltration = convection) and the components of the dialysis circuit (pumps, dialyzer, dialysis solution, replacement fluid, etc). It also reviews all the confusing modes of dialysis: IHD, SLED, and CRRT including SCUF, CVVHF, CVVHD, and CVVHDF.


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Author(s): Nick Mark, MD

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Attribution:   Title: “Renal Replacement Therapy”   Creator: “Nick Mark MD“  Source:OnePager ICU“   License: “CC BY-SA 3.0

Citation Example:   OnePagers: Mark NM, “Renal Replacement Therapy” Published 2021-02-17, OnePagerICU, URL: (accessed Date)