essential calculations in acid base physiology
Báo cáo y học: "Science review: Quantitative acid–base physiology using the Stewart model" doc
Ngày tải lên :
12/08/2014, 20:20
... by again realizing that, for amphoteric substances, one is not only changing the SID but also increasing both the total weak acid and weak base concentrations by increasing the total protein concentration ... understanding acid base physiology, or whether it is simply a new façade Competing interests The author(s) declare that they have no competing interests References Irwin RS, Rippe JM (editors): Intensive ... determines metabolic acid- base change during in vitro hemodilution Crit Care Med 2002, 30:157-160 43 Scheingraber S, Rehm M, Sehmisch C, Finsterer U: Rapid saline infusion produces hyperchloremic acidosis...
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Báo cáo y học: "Bench-to-bedside review: Fundamental principles of acid-base physiology" pdf
Ngày tải lên :
12/08/2014, 20:20
... about 99 amino acids will have a fixed negative charge (mainly aspartic acid and glutamic acid) and about 79 amino acids will have a fixed positive charge (mostly lysine and arginine), for a ... has reawakened interest in quantitative acid base chemistry and has prompted a return to first principles of acid base physiology 11 12 13 14 15 16 17 18 19 Competing interests The author(s) ... JJ, Lind LJ, Leith DE, Fencl V: Hypoproteinemic alkalosis Am J Med 1986, 81:86-90 Rossing TH, Maffeo N, Fencl V: Acid base effects of altering plasma protein concentration in human blood in vitro...
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Báo cáo khoa học: "Clinical review: Reunification of acid–base physiology" pdf
Ngày tải lên :
12/08/2014, 22:22
... NE: Influence of steady-state alterations in acid- base equilibrium on the fate of administered bicarbonate in the dog J Clin Invest 1983, 71: 867-883 Singer RB, Hastings AB: An improved clinical ... [http://homepage.mac.com/peterlloyd1/FileSharing8.html] Kellum JA: Acid- base physiology in the post-Copernican era Curr Opin Crit Care 1999, 5:429-435 Magder S: Pathophysiology of metabolic acid- base disturbances in patients ... component of an acid base abnormality In 1948, Singer and Hastings [22] proposed the term ‘buffer base to define the sum of HCO3– and the nonvolatile weak acid buffers A change in buffer base corresponds...
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Báo cáo y học: "Ethics review: Strong ion difference in urine: new perspectives in acid–base assessment" docx
Ngày tải lên :
12/08/2014, 23:23
... and acid base status in a common framework Here, we would like to propose a comprehensive model that may explain, at least qualitatively, many of the findings observed in clinical practice and in ... according to the law of electroneutrality, is equivalent to the buffer base (BB; i.e the sum of [HCO3–], [A–] and [H2PO4–], where A– are the weak acids in dissociated form, mainly albumin) During acidosis, ... with infusion minus the volume extracted in the form of urine t t V(t) = V(0) + ∫0 IR(t)dt – ∫0 UR(t)dt Gamblegram The figure shows gamblegrams during ideal conditions and during acidosis In ideal...
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Báo cáo khoa học: "Bench-to-bedside review: Treating acid–base abnormalities in the intensive care unit – the role of renal replacement therapy" potx
Ngày tải lên :
12/08/2014, 20:20
... may have an even stronger effect on acid base disorders Therefore, improving our understanding of the impact of RRT on acid base disorders and gaining insights into the nature of such disorders ... necessary to achieve adequate control of uremia and acid base disorders in ARF [14] During continuous RRT, according to conventional acid base thinking, there is a substantial loss of endogenous bicarbonate, ... patients in general Acid base analysis using the Stewart–Figge methodology As described above, the pathogenesis of acid base disorders of ARF remains unknown and the cause of acidosis in ARF patients...
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Báo cáo khoa học: "Bench-to-bedside review: Treating acid–base abnormalities in the intensive care unit – the role of buffers" ppt
Ngày tải lên :
12/08/2014, 20:20
... bicarbonate administration may cause a decrease in intracellular pH In fact, the findings of cellular and whole animal model studies examining the effects of bicarbonate infusion on intracellular ... but clinical trials in humans are lacking Competing interests None declared References When should I administer a buffering agent? The lack of evidence supporting buffer therapy in human acidosis ... extrapulmonary ALI in which rats were subjected to splanchnic ischemia– reperfusion injury [29] Hypercapnic acidosis was effective at attenuating endotoxin-induced ALI in an in vivo rat model [30]; in fact,...
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Báo cáo y học: "Clinical review: Acid–base abnormalities in the intensive care unit" doc
Ngày tải lên :
12/08/2014, 20:20
... anion, resulting in an expected increase in SID as Na+ is maintained but Cl– falls; the increased SID drives proton consumption and produces an increased pH Importantly, only changes in strong ions ... combination of the two variables appeared superior to either lactate or base excess alone in predicting survival [15] Standard base excess (base deficit) A companion acid base variable, base ... therefore be interpreted with caution Nonetheless, presentation or pre-resuscitation base excess values reliably indicate the degree of acid production following injury [17] Interestingly, in this...
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Báo cáo y học: "Clinical review: The meaning of acid–base abnormalities in the intensive care unit – effects of fluid administration" potx
Ngày tải lên :
12/08/2014, 20:20
... alkalinizing, much as Hartmann originally intended [49], it is close to the ideal from an acid base perspective Slight alkalinization is difficult to demonstrate in laboratory and especially in ... lactic acidosis: a prospective controlled clinical study Ann Intern Med 1990, 112:492-498 Scheingraber S, Rehm M, Sehmisch C, Finsterer U: Rapid saline infusion produces hyperchloremic acidosis in ... respiratory acidosis after large intravascular volume infusion of lactated Ringer’s solution during major spine surgery Anesth Analg 2002, 95:294-298 55 Myburgh JA: Severe head injury In Oh’s Intensive...
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Báo cáo khoa học: "Clinical review: The meaning of acid–base abnormalities in the intensive care unit – epidemiolog" ppt
Ngày tải lên :
12/08/2014, 22:22
... addressed in future study designs Without consistency in reporting acid base methodology, conflicting reports will continue Competing interests The author(s) declare that they have no competing interests ... [51] reported similar findings in large volume resuscitation in major surgery comparing hetastarch prepared in a balanced electrolyte solution or in saline, and similar findings were reported by ... for the acidosis (Fig 2) In this system, metabolic acidosis is defined as a SBE below mEq/l; lactic acidosis is an acidosis in which lactate accounts for more than 50% of the SBE; in SIG acidosis...
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Acid base
Ngày tải lên :
05/10/2012, 12:19
... acetic acid plus 0.001 M HCl (e) 0.16M acetic acid plus 0.044 M sodium acetate (Ans: 1.3, 2.88, 8.79, 2.27, 4.2) Polyatomic Acids & Bases 13 Phosphorus acid, H3PO4, is actually a diprotic acid; ... the values of [H+], pH and HPO32- in a 1.0 M solution? 14 Tellurium, in the same family as sulphur, forms an acid analogous to sulphuric acid and called telluric acid It exists, however, as H6TeO6 ... KW and hence determine neutral pH at 310K (Ans: 6.79) 12 Calculate the pH of the following solutions: (a) 0.05M HCl (b) 0.1M acetic acid (Ka = 1.75 x 10−5 (M)) (c) 0.1M aniline (Kb = 3.82 x 10−10...
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Đánh giá và phân tích RỐI LOẠN ACID-BASE
Ngày tải lên :
22/10/2012, 15:50
... tích đánh giá acid- based Những rối loạn acid- base đơn giản Tiếp cận cách hệ thống rối loạn acid- base quy tắc giúp dễ dàng nhanh chóng đọc rối loạn acid- base Phân tích Acid- Base, cần cơng ... rối loạn acid- base ngun phát Rối loạn acid - base có loại ? pH7,45 nhiễm kiềm HCO3-↑ Chuyển hóa PCO2 ↓ Hô hấp Ngun tắc đơn giản: CO2 = Acid (hơ ... bicarbonate ketoacid nước tiểu Kết luận: Để đánh giá RL acid- base xác cần ABG điện giải Cần tiếp cận cách hệ thống Cần nhớ quy tắc “bình thường” khí máu khơng bình thường Acid - Base Điều...
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TRẮC NGHIỆM THĂNG BẰNG ACID BASE
Ngày tải lên :
24/10/2012, 14:34
... chế điều hòa thăng acid base hệ đệm proteinat là: A Phần base hệ đệm nhận H+ thể bị nhiễm acid B Phần acid hệ đệm giải phóng H+ thể bị nhiễm kiềm C Các acid amin acid protein giải phóng H+ thể ... phóng H+ thể bị nhiễm kiềm D Các acid amin base protein nhận H+ thể bị nhiễm acid E Các câu 43 Cơ chế điều hòa thăng acid base hệ đệm phosphat A Khi thể bị nhiễm acid Na2HPO4 phóng thích H+ B Khi ... chất kiềm tác dụng với phần acid hệ đệm muối trung hòa Khi thể bị nhiễm acid chất acid tác dụng với phần kiềm hệ đệm acid yếu hơn, acid dễ phân li cho CO2 H2O Nhờ Hemoglobin vận chuyển CO2 đến phổi...
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ESSENTIAL IDIOMS IN ENGLISH
Ngày tải lên :
17/08/2013, 10:40
... have in mind: to be considering, to be thinking (S) o I don't want to see a movie now I have in mind going to the park o It's up to you what we eat tonight Do you have anything in mind? to keep in ... part in: to be involved in, to participate in (also: to be in on) o Martin was sick and could not take part in the meeting yesterday o I didn't want to be in on their argument, so I remained ... wanted to bring the scheduling problem up at the club meeting, but finally she decided against doing so o One of the students brought up an interesting point related to the subject in our textbook...
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Longman essential idioms in english
Ngày tải lên :
04/09/2013, 19:57
... have in mind: to be considering, to be thinking (S) o I don't want to see a movie now I have in mind going to the park o It's up to you what we eat tonight Do you have anything in mind? to keep in ... part in: to be involved in, to participate in (also: to be in on) o Martin was sick and could not take part in the meeting yesterday o I didn't want to be in on their argument, so I remained ... wanted to bring the scheduling problem up at the club meeting, but finally she decided against doing so o One of the students brought up an interesting point related to the subject in our textbook...
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Calculations in a Pivot Table
Ngày tải lên :
09/10/2013, 12:20
... underlying data in the Values area In Excel 2003, improvements were made to several statistical functions, including VAR and VARP See the previous “Var” section for more information Errors in the ... would appear in the pivot table CHAPTER ■ CALCULATIONS IN A PIVOT TABLE Figure 3-4 The first error in the source Excel table appears in the pivot table 3.2 Using Summary Functions: Counting Blank ... the underlying values in the Values area The result is the same as using the MAX function on the worksheet to calculate the maximum of the values Min The Min summary function shows the minimum value...
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Khái niệm Acid-base trong hóa hữu cơ
Ngày tải lên :
19/10/2013, 09:20
... + HO Base Acid H2O + CH2_CHO Base (carbanion) Acid Chú ý: Một acid mạnh base liên hợp base yếu Một acid yếu base liên hợp base mạnh 50 - CH3 CH2 + BH B Base mạnh Acid yếu - + + Acid yếu Base ... tác acid base: Nớc dung môi có tính base CH3COOH + H2O Acid Base H3O+ + CH3COOAcid Base Hoà tan muối acid hữu vào nớc, có tơng tác acid -base : Nớc dung môi có tính acid H2O + CH3COO Base Acid ... tơng tác acid -base, tạo carbocation trung gian trớc lúc tạo thành alcol H3PO4 + CH3 CH=CH2 Acid Base + CH3CH_CH3 + Acid - H2PO4 Base Một số phản ứng có xúc tác base có trình tơng tác acid base để...
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Essential Idioms in English - advanced
Ngày tải lên :
25/10/2013, 06:20
... up to (something): to be doing something; to be planning or plotting something, scheming The first definition usually takes the form of a question • Hi, Jake I haven’t seen you in a long time ... saying that you shouldn’t drive quickly in bad weather • That he will gain weight if he continues to eat and drink so much goes without saying to put (someone) on: to mislead by joking or tricking ... fill (someone) in: to inform, to give background information to (also: to clue in) (S) This idiom is often followed by the preposition on and a noun phrase containing the pertinent information •...
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