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Standardized Kt/V, also std Kt/V, is a way of measuring dialysis adequacy. It was developed by Frank Gotch and is used in the United States to measure dialysis. Despite the name, it is quite different from Kt/V. In theory, both peritoneal dialysis and hemodialysis can be quantified with std Kt/V.
Some investigators have proposed dosing based on surface area (S) instead of V, but clinicians usually measure the URR and then calculate Kt/V. One can "adjust" the Kt/V, to calculate a "surface-area-normalized" or "SAN"-Kt/V as well as a "SAN"-standard Kt/V. This puts a wrapper around Kt/V and normalizes it to body surface area. [8]
Based on the standardized Kt/V as calculated by an equation proposed by Leypoldt (see text for reference). ... Standard(ized)Kt/V vs. Treatment Kt/V by Number of ...
Conversion of units is the conversion of the unit of measurement in which a quantity is expressed, typically through a multiplicative conversion factor that changes the unit without changing the quantity. This is also often loosely taken to include replacement of a quantity with a corresponding quantity that describes the same physical property.
So in practice, because of urea generation and UF/W, a 63% URR (0.63) results in a Kt/V of about 1.15 instead of only 1.0 (see graph). KDOQI hemodialysis adequacy standards are written in terms of either Kt/V or URR, with Kt/V being the preferred choices. But a patient may meet one standard and not the other, depending on the level of UF/W.
Using simple algebra on equations , , and yields the result: = or =, where stands for the Boltzmann constant. Another equivalent result, using the fact that n R = N k B {\displaystyle nR=Nk_{\text{B}}} , where n is the number of moles in the gas and R is the universal gas constant , is: P V = n R T , {\displaystyle PV=nRT,} which is known as ...
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Defining equation SI unit Dimension Temperature gradient: No standard symbol K⋅m −1: ΘL −1: Thermal conduction rate, thermal current, thermal/heat flux, thermal power transfer P = / W ML 2 T −3: Thermal intensity I = / W⋅m −2