evaluation of right ventricular function
Recommendations for the Evaluation of Left Ventricular Diastolic Function by Echocardiography
Ngày tải lên :
20/01/2016, 13:07
... the evaluation of left ventricular diastolic function in atrial fibrillation J Am Soc Echocardiogr 1999;12:927-31 105 Sohn DW, Kim YJ, Kim HC, Chun HG, Park YB, Choi YS Evaluation of left ventricular ... echocardiography plays an essential role in the estimation of PA pressures, the assessment of right ventricular size and function, and the identification of the underlying etiology, whether cardiac or not ... because of myocardial disease The use of septal e= and the E/e= ratio is limited in patients with noncardiac etiologies of pulmonary hypertension because septal e= is reduced because of right ventricular...
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Tài liệu Báo cáo khoa học: Neuronal growth-inhibitory factor (metallothionein-3): evaluation of the biological function of growth-inhibitory factor in the injured and neurodegenerative brain pdf
Ngày tải lên :
16/02/2014, 15:20
... Potential role of metal-binding/exchange properties of GIF in AD One of the primary pathological hallmarks of AD is the formation of b-amyloid (Ab) plaques, composed primarily of Ab(1–40) and ... nucleophil, because of its high cysteine content, enabling it to efficiently bind reactive ROS [29] Function of GIF in injured and degenerative brain MT can function as a potent scavenger of hydrogen ... survival of cultured cortical neurons [31] The neuroinhibitory action of GIF is very specific to this MT isoform and can be attributed to the small differences in the protein sequence of this isoform...
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Báo cáo y học: "Comparative evaluation of left ventricular mass regression after aortic valve replacement: a prospective randomized analysis" pptx
Ngày tải lên :
10/08/2014, 09:22
... Page of Association functional class (NYHA), blood data including signs of haemolysis, anticoagulation profile, assessment of cardiac rhythm and blood pressure and documentation of occurrence of ... course of regression of left ventricular hypertrophy after aortic valve replacement Circulation 1988, 77:1345-55 15 Walther T, Falk V, Langebartels G, et al: Prospectively randomized evaluation of ... insufflation of the open thorax for organ protection All pulmonary autograft procedures were performed as root replacements with implantation of the coronary arteries on the graft Reconstruction of the right...
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Báo cáo y học: "The effect of open lung ventilation on right ventricular and left ventricular function in lung-lavaged pigs" pps
Ngày tải lên :
12/08/2014, 23:24
... open lung ventilation does not increase right ventricular afterload Intensive Care Med 2005, 31:s21 Carabello BA: Evolution of the study of left ventricular function: everything old is new again ... ± Right atrial pressure (mmHg) 4.2 ± 5.9 ± 1** 8.1 ± 2** Cardiac output (l/min) 5.3 ± 0.3 4.9 ± 0.3 4.1 ± 0.3*,** Right ventricular end-diastolic volume (ml) 165 ± 11 173 ± 13 148 ± 13 Right ventricular ... of fat, fluid and soft tissues) The operator segmented in a semi-automatic mode the lung parenchyma of the right lung slice by slice (usually between 10 and 14 slices depending on the phase of...
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Tài liệu Evaluation of Functions part 2 doc
Ngày tải lên :
15/12/2013, 04:15
... Mathematical Methods of Physics, 2nd ed (Reading, MA: W.A Benjamin/Addison-Wesley), §2.3 [2] 5.2 Evaluation of Continued Fractions Continued fractions are often powerful ways of evaluating functions that ... examples are the sine function and the Bessel function of the first kind, 167 5.1 Series and Their Convergence number n − of terms directly, then apply the transformation to the rest of the series beginning ... large x Accelerating the Convergence of Series There are several tricks for accelerating the rate of convergence of a series (or, equivalently, of a sequence of partial sums) These tricks will...
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Tài liệu Evaluation of Functions part 11 pdf
Ngày tải lên :
15/12/2013, 04:15
... Mathematical Association of America), pp 59, 182–183 [synthetic division] 5.11 Economization of Power Series One particular application of Chebyshev methods, the economization of power series, is ... coefficient of the first neglected Chebyshev polynomial as an estimate of the error Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright (C) 1988-1992 ... is an occasionally useful technique, with a flavor of getting something for nothing Suppose that you are already computing a function by the use of a convergent power series, for example f (x) ≡...
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Tài liệu Evaluation of Functions part 12 doc
Ngày tải lên :
15/12/2013, 04:15
... Inverse of routine chebpc: given an array of polynomial coefficients d[0 n-1], returns an equivalent array of Chebyshev coefficients c[0 n-1] { int j,jm,jp,k; float fac,pow; pow=1.0; Will be powers of ... RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright (C) 1988-1992 by Cambridge University Press.Programs Copyright (C) 1988-1992 by Numerical Recipes Software Permission ... approximation in the interval of interest, by the methods of §5.8 We would have obtained just the same lower-order polynomial The principal lesson is that the rate of convergence of Chebyshev coefficients...
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Tài liệu Evaluation of Functions part 3 pptx
Ngày tải lên :
15/12/2013, 04:15
... λan+1 (5.2.11) leaves the value of a continued fraction unchanged By a suitable choice of the scale factor λ you can often simplify the form of the a’s and the b’s Of course, you can carry out successive ... RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright (C) 1988-1992 by Cambridge University Press.Programs Copyright (C) 1988-1992 by Numerical Recipes Software Permission ... results is avoided by using both the ratios 172 Chapter Evaluation of Functions Manipulating Continued Fractions Several important properties of continued fractions can be used to rewrite them in...
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Tài liệu Evaluation of Functions part 4 pptx
Ngày tải lên :
15/12/2013, 04:15
... polynomial of degree n − (array of range [0 n-1]) by a monomial factor x − a by a bit of code like the following, 176 Chapter Evaluation of Functions Rational Functions You evaluate a rational function ... standard function available for doing the evaluation: double ratval(double x, double cof[], int mm, int kk) Given mm, kk, and cof[0 mm+kk], evaluate and return the rational function (cof[0] + cof[1]x ... Chapter Evaluation of Functions or p=c[j=n]; dp=0.0; while (j>0) {dp=dp*x+p; p=p*x+c[ j];} void ddpoly(float c[], int nc, float x, float pd[], int nd) Given the nc+1 coefficients of a polynomial of...
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Tài liệu Evaluation of Functions part 5 doc
Ngày tải lên :
24/12/2013, 12:16
... RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright (C) 1988-1992 by Cambridge University Press.Programs Copyright (C) 1988-1992 by Numerical Recipes Software Permission ... trade@cup.cam.ac.uk (outside North America) (a + ib)(c + id) = (ac − bd) + i(bc + ad) 178 Chapter Evaluation of Functions Then the answer is w=0 w = 0, c ≥ w = 0, c < 0, d ≥ (5.4.7) w = 0, c < 0, d < Routines ... vol of The Art of Computer Programming (Reading, MA: Addison-Wesley) [see solutions to exercises 4.2.1.16 and 4.6.4.41] 5.5 Recurrence Relations and Clenshaw’s Recurrence Formula Many useful functions...
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Tài liệu Evaluation of Functions part 5 ppt
Ngày tải lên :
24/12/2013, 12:16
... the same function, namely (cof[0] + cof[1]x + · · · + cof[n]xN )/(1 + cof[n+1]x + · · · + Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright ... cof[], int n, float *resid) Given cof[0 2*n], the leading terms in the power series expansion of a function, solve the linear Pad´ equations to return the coefficients of a diagonal rational function ... RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright (C) 1988-1992 by Cambridge University Press.Programs Copyright (C) 1988-1992 by Numerical Recipes Software Permission...
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Tài liệu Evaluation of Functions part 14 ppt
Ngày tải lên :
24/12/2013, 12:16
... u=dmatrix(1,npt,1,ncof); v=dmatrix(1,ncof,1,ncof); w=dvector(1,ncof); wt=dvector(1,npt); Number of points where function is evaluated, i.e., fineness of the mesh Sample page from NUMERICAL RECIPES IN C: THE ART OF ... free_dmatrix(v,1,ncof,1,ncof); free_dmatrix(u,1,npt,1,ncof); free_dvector(fs,1,npt); free_dvector(ee,1,npt); free_dvector(coff,0,ncof-1); free_dvector(bb,1,npt); 208 Chapter Evaluation of Functions Figure ... versions of svdcmp, svbksb int i,it,j,ncof,npt; double devmax,e,hth,power,sum,*bb,*coff,*ee,*fs,**u,**v,*w,*wt,*xs; ncof=mm+kk+1; npt=NPFAC*ncof; bb=dvector(1,npt); coff=dvector(0,ncof-1); ee=dvector(1,npt);...
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Tài liệu Evaluation of Functions part 15 ppt
Ngày tải lên :
24/12/2013, 12:16
... America) example, the complex Bessel function, Airy function, Coulomb wave function, and Weber function are all special cases of the confluent hypergeometric function, with a differential equation ... points is parametrized by 210 Chapter Evaluation of Functions Im branch cut Re Figure 5.14.1 Complex plane showing the singular points of the hypergeometric function, its branch cut, and some integration ... use power series 5.14 Evaluation of Functions by Path Integration 211 CITED REFERENCES AND FURTHER READING: Abramowitz, M., and Stegun, I.A 1964, Handbook of Mathematical Functions, Applied Mathematics...
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Tài liệu Evaluation of Functions part 6 pptx
Ngày tải lên :
24/12/2013, 12:16
... means of function evaluation The method is called Miller’s algorithm An example often given [1,4] uses equation (5.5.2) in just this way, along with the normalization formula 182 Chapter Evaluation ... of simple algebraic equations can be viewed as being functions of the equations’ coefficients We are taught these functions in elementary algebra Yet, surprisingly many people don’t know the right ... possible formulas, of course Given a recurrence relation for some function fn (x) you can test it yourself with about five minutes of (human) labor: For a fixed x in your range of interest, start...
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Tài liệu Evaluation of Functions part 7 ppt
Ngày tải lên :
24/12/2013, 12:16
... RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43108-5) Copyright (C) 1988-1992 by Cambridge University Press.Programs Copyright (C) 1988-1992 by Numerical Recipes Software Permission ... additional function evaluation In such a situation, the remaining issue is to choose h properly, an issue we now discuss: There are two sources of error in equation (5.7.1), truncation error and roundoff ... have a procedure which computes a function f(x), and now you want to compute its derivative f (x) Easy, right? The definition of the derivative, the limit as h → of ...
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Tài liệu Evaluation of Functions part 8 doc
Ngày tải lên :
24/12/2013, 12:16
... scale” of the function f, or “characteristic scale” over which it changes In the absence of any other information, one often assumes xc = x (except near x = where some other estimate of the typical ... free_matrix(a,1,NTAB,1,NTAB); return ans; } In dfridr, the number of evaluations of func is typically to 12, but is allowed to be as great as 2×NTAB As a function of input h, it is typical for the accuracy to get ... using an additional number nL of points to the left and some number nR of points to the right of each desired x value The estimated derivative is then the derivative of the resulting fitted polynomial...
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Tài liệu Evaluation of Functions part 9 docx
Ngày tải lên :
24/12/2013, 12:16
... degree of approximation (length of c to be used), this routine returns the array cint[0 n-1], the Chebyshev coefficients of the integral of the function whose coefficients are c The constant of integration ... given n, the desired degree of approximation (length of c to be used), this routine returns the array cder[0 n-1], the Chebyshev coefficients of the derivative of the function whose coefficients are ... an easy way of computing f(x) for all subsequent time The first of these tasks is straightforward A generalization of equation (5.8.7) that is here implemented is to allow the range of approximation...
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Tài liệu Evaluation of Functions part 10 pptx
Ngày tải lên :
24/12/2013, 12:16
... quadrature [1] It is often combined with an adaptive choice of N , the number of Chebyshev coefficients calculated via equation (5.8.7), which is also the number of function evaluations of f (x) If a ... half of the new function evaluation points are identical to the old ones, allowing the previous function evaluations to be reused This feature, plus the analytic weights and abscissas (cosine functions ... 196 Chapter Evaluation of Functions Accumulates the constant of integration Will equal ±1 sum += fac*cint[j]; fac = -fac; } cint[n-1]=con*c[n-2]/(n-1);...
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Báo cáo khoa học: Re-evaluation of the function of the F420dehydrogenase in electron transport ofMethanosarcina mazei potx
Ngày tải lên :
14/03/2014, 23:20
... impaired transfer of electrons onto FpoF Further studies will indicate which of the Methanosarcina Fd proteins function as natural electron carriers Localization and dual function of FpoF As a prerequisite ... parameters of the reaction exhibited a maximal velocity (Vmax) of 225 mUặmg)1 of protein and KM values of and 0.5 lm for F420 and Fdred, respectively (Fig 3) The relatively low activity of puried FpoF ... about 76 ngặlL)1 of membrane preparation could be identied as FpoF and about ng of FpoF could be detected per lL of cytoplasm Taking into account the protein concentrations of these preparations...
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