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14-05-2009 04:41 PM #11Junior Member
- Join Date
- Apr 2009
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- London
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How about this?
pH 7.35 - 7.45 The pH or H+ indicates if a patient is acidemic (pH < 7.35; H+ >45) or alkalemic (pH > 7.45; H+ < 35).
H+ 35 - 45 nmol/l (nM)
PO2 9.3-13.3 kPa or 80-100 mmHg A low O2 indicates that the patient is not respiring properly, and is hypoxemic. At a PO2 of less than 60 mm Hg, supplemental oxygen should be administered. At a PO2 of less than 26 mm Hg, the patient is at risk of death and must be oxygenated immediately.
PCO2 4.7-6.0 kPa or 35-45 mmHg The carbon dioxide and partial pressure (PCO2) indicates a respiratory [/B]problem: for a constant metabolic rate, the PCO2 is determined entirely by ventilation.[5] A high PCO2 (respiratory acidosis) indicates underventilation, a low PCO2 (respiratory alkalosis) hyper- or overventilation. PCO2 levels can also become abnormal when the respiratory system is working to compensate for a metabolic issue so as to normalize the blood pH. An elevated PCO2 level is desired in some disorders associated with respiratory failure; this is known as permissive hypercapnia.
HCO3- 22–26 mmol/l The HCO3- ion indicates whether a metabolic problem is present (such as ketoacidosis). A low HCO3- indicates metabolic acidosis, a high HCO3- indicates metabolic alkalosis. HCO3- levels can also become abnormal when the kidneys are working to compensate for a respiratory issue so as to normalize the blood pH.
SBCe 21 to 27 mmol/l the bicarbonate concentration in the blood at a
CO2 of 5.33 kPa, full oxygen saturation and 37 degrees Celsius.[6]
Base excess -3 to +3 mmol/l The base excess is used for the assessment of the metabolic component of acid-base disorders, and indicates whether the patient has metabolic acidosis or metabolic alkalosis. A negative base excess indicates that the patient has metabolic acidosis (primary or secondary to respiratory alkalosis). A positive base excess indicates that the patient has metabolic alkalosis (primary or secondary to respiratory acidosis).[7]
HPO42− 0.8 to 1.5 [8] mM
total CO2 (tCO2 (P)c) 25 to 30 mmol/l This is the total amount of CO2, and is the sum of HCO3- and PCO2 by the formula:
tCO2 = [HCO3-] + α*PCO2, where α=0.226 mM/kPa, HCO3- is expressed in millimolar concentration (mM) (mmol/l) and PCO2 is expressed in kPa [9]
total O2 (tO2e) This is the sum of oxygen solved in plasma and chemically bound to hemoglob
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14-05-2009 04:43 PM #12Junior Member
- Join Date
- Apr 2009
- Location
- London
- Posts
- 3
How about this?
pH 7.35 - 7.45 The pH or H+ indicates if a patient is acidemic (pH < 7.35; H+ >45) or alkalemic (pH > 7.45; H+ < 35).
H+ 35 - 45 nmol/l (nM) See above.
PO2 9.3-13.3 kPa or 80-100 mmHg A low O2 indicates that the patient is not respiring properly, and is hypoxemic. At a PO2 of less than 60 mm Hg, supplemental oxygen should be administered. At a PO2 of less than 26 mm Hg, the patient is at risk of death and must be oxygenated immediately.
PCO2 4.7-6.0 kPa or 35-45 mmHg The carbon dioxide and partial pressure (PCO2) indicates a respiratory problem: for a constant metabolic rate, the PCO2 is determined entirely by ventilation.[5] A high PCO2 (respiratory acidosis) indicates underventilation, a low PCO2 (respiratory alkalosis) hyper- or overventilation. PCO2 levels can also become abnormal when the respiratory system is working to compensate for a metabolic issue so as to normalize the blood pH. An elevated PCO2 level is desired in some disorders associated with respiratory failure; this is known as permissive hypercapnia.
HCO3- 22–26 mmol/l The HCO3- ion indicates whether a metabolic problem is present (such as ketoacidosis). A low HCO3- indicates metabolic acidosis, a high HCO3- indicates metabolic alkalosis. HCO3- levels can also become abnormal when the kidneys are working to compensate for a respiratory issue so as to normalize the blood pH.
SBCe 21 to 27 mmol/l the bicarbonate concentration in the blood at a CO2 of 5.33 kPa, full oxygen saturation and 37 degrees Celsius.[6]
Base excess -3 to +3 mmol/l The base excess is used for the assessment of the metabolic component of acid-base disorders, and indicates whether the patient has metabolic acidosis or metabolic alkalosis. A negative base excess indicates that the patient has metabolic acidosis (primary or secondary to respiratory alkalosis). A positive base excess indicates that the patient has metabolic alkalosis (primary or secondary to respiratory acidosis).[7]
HPO42− 0.8 to 1.5 [8] mM
total CO2 (tCO2 (P)c) 25 to 30 mmol/l This is the total amount of CO2, and is the sum of HCO3- and PCO2 by the formula:
tCO2 = [HCO3-] + α*PCO2, where α=0.226 mM/kPa, HCO3- is expressed in millimolar concentration (mM) (mmol/l) and PCO2 is expressed in kPa [9]
total O2 (tO2e) This is the sum of oxygen solved in plasma and chemically bound to hemoglob
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31-05-2009 09:36 PM #13Junior Member
- Join Date
- May 2009
- Posts
- 1
Acid-Base Medical Calculator
Why don't you try this ABG calculator. It is advanced and can give you up to 3 simultaneous mixed acid-base disorders. Also calculates A-a gradient, but the best of all, gives you detailed explantations and the reasoning behind the analysis. Try it out at mindcalc.com
I am actually the programmer, but I have neither any conflicts of interest nor income sources. I am reaching (1) let you know about this calculator since it is not advertised anywhere and (2) you for feedback.
Thanks,
MarkosLast edited by docmind; 31-05-2009 at 09:38 PM.
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29-11-2009 02:59 AM #14
heyy, that is a natural body tampon.. (alkolosis-acidosis) cuz for healty life ph must be on 7.4 at blood... well, if respiration system doesnt work fine, on blood-H2CO3 collets and causes acidosis so pH falls down.. body control system interfere to this action by hormones or enzymes.. with time, on blood-HCO3 collets and causes alkalosis and pH rises..(closes to base) metabolism interferes again e.g.- slowly breathing or hearth rthym.. like this this tampon has gotten under control..
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29-11-2009 03:04 AM #15
well im a student at first grade on medical school in Turkey.. 4 a long time i didnt use my english so it's became poor
but if i study about this topic, i can get over that :P if u interest about Turkey's medicine i would help you see ya!!
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29-11-2009 03:07 AM #16
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29-11-2009 03:15 AM #17


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