blood-urea clearance — urea c … Medical dictionary
urea kinetics — the movement of urea in the body and its excretion through the kidneys or dialysis apparatus. See also urea kinetic modeling, under modeling, and urea clearance, under clearance … Medical dictionary
Clearance (medicine) — In medicine, the clearance is a measurement of the renal excretion ability. Although clearance may also involve other organs than the kidney, it is almost synonymous with renal clearance or renal plasma clearance. Each substance has a specific… … Wikipedia
clearance — 1. (C with a subscript indicating the substance removed)Removal of a substance from the blood, e.g., by renal excretion, expressed in terms of the volume flow of arterial blood or plasma that would contain the amount of substance removed per … Medical dictionary
Urea reduction ratio — For the Scottish river see: Urr Water The urea reduction ratio (URR), is a dimensionless number used to quantify hemodialysis treatment adequacy.DefinitionURR = frac{U {pre} U {post{U {pre imes 100% Where: * Upre is the pre dialysis urea level *… … Wikipedia
urea kinetic modeling — the tracing of urea kinetics during hemodialysis, considering urea as a representative medium sized molecule whose clearance is similar to that of other more toxic substances. A series of mathematical equations are used, taking measured serum… … Medical dictionary
Blood urea nitrogen — The blood urea nitrogen (BUN) test is a measure of the amount of nitrogen in the blood in the form of urea, and a measurement of renal function. Urea is a substance secreted by the liver, and removed from the blood by the kidneys.PhysiologyThe… … Wikipedia
PAH clearance — Parameter Value renal blood flow RBF=1000 ml/min hematocrit HCT=40% renal plasma flow RPF=600 ml/min filtration fraction FF=20% glomerular filtration rate GFR=120 ml/min … Wikipedia
renal clearance — n CLEARANCE * * * see clearance * * * 1. removal of a substance from the blood by the kidney. 2. a measure of the rate of such removal; given by the formula C = V Ч U/P, where C is the clearance, V the urine volume in mL/min, U the urine… … Medical dictionary
Cu — • urea clearance … Dictionary of medical acronyms & abbreviations