Acid base balan : Acid and base balance in the human body
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This document discusses acid-base balance and arterial blood gases (ABG). It provides normal values for pH, PaCO2, HCO3, PaO2, SaO2, Cl, anion gap, delta gap, and Cl/HCO3 gap. It describes metabolic and respiratory acidosis and alkalosis. It outlines a 3-step process for interpreting ABG results and provides examples of uncompensated and partially compensated respiratory and metabolic acid-base disturbances. It defines types of compensation as partial, complete, or mixed and gives examples of each. It concludes with a case of respiratory acidosis with a low anion gap.
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Acid Base Made Easy
This document provides a 5-step approach to interpreting arterial blood gases (ABGs) and resolving acid-base imbalances:
1) Identify if the primary disorder is acidemia or alkalemia based on the pH.
2) Determine if the primary disorder is respiratory or metabolic based on pCO2 and HCO3 levels.
3) Assess the degree of compensation by the other system using formulas for different acid-base disturbances.
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This document provides a 5-step approach to interpreting arterial blood gases (ABGs) and resolving acid-base imbalances:
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3) The key buffer systems that help maintain acid-base balance, including the important bicarbonate-carbonic acid buffer.
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3) Methods for evaluating systemic acid-base disorders are outlined, including using arterial blood gas results and serum electrolytes to identify
04 Ab Ginterp Dr Deopujari
This document provides an overview of arterial blood gas analysis and interpretation. It discusses the key components of an ABG report including pH, PaCO2, PaO2, HCO3 and provides steps for analyzing primary vs compensatory abnormalities. Several case examples are presented and analyzed to demonstrate the application of ABG interpretation.
Acid base balance
This document provides guidance on interpreting arterial blood gas results. It discusses common errors in blood gas sampling and analysis. The key components of an ABG report are reviewed including pH, PaO2, PaCO2, HCO3, and SaO2. A step-by-step process for analyzing ABG results is outlined beginning with evaluating the pH to identify acid-base disturbances, using PaCO2 and HCO3 to determine if the primary disturbance is respiratory or metabolic, and assessing the adequacy of compensation responses. Formulas are provided to help evaluate the degree of compensation in different acid-base disorders.
Abgs 2
This document provides information on interpreting arterial blood gases (ABGs), including:
1) How to identify acidosis or alkalosis based on pH levels.
2) The Rome method for determining if a pH change is due to respiratory or metabolic causes based on pCO2 and HCO3 levels.
3) Examples of respiratory acidosis, respiratory alkalosis, and metabolic alkalosis and how they may present on ABGs.
4) How the body can partially or fully compensate for acid-base imbalances through changes in HCO3 or pCO2.
5) Formulas like Winter's formula and the Anion Gap that can help evaluate compensation and identify causes of metabolic acidosis
Abg Made Easy
This document provides an overview of arterial blood gas analysis and interpretation. It discusses the key components of an ABG report including pH, PaCO2, PaO2, HCO3 and oxygen saturation. It outlines a 4 step method for ABG interpretation including identifying the primary disturbance, determining if it is respiratory or metabolic, and assessing for compensation. Several case examples are provided to demonstrate application of this analytical approach.
ABG ANALYSIS
This document provides information on interpreting arterial blood gas (ABG) results, including:
1. It evaluates oxygenation by examining pO2 and SaO2 levels, ventilation by looking at pCO2 levels and production vs elimination of CO2, and acid-base balance by analyzing pH, HCO3, and BE levels.
2. Normal ranges are provided for interpreting pH, pCO2, HCO3, and BE levels to determine if the patient has respiratory or metabolic acidosis or alkalosis.
3. The document describes how to assess for compensation by seeing if other parameters have changed to correct acid-base imbalances and restore the pH to a normal range.
ABG ANALYSIS
This document provides information on interpreting arterial blood gas (ABG) results, including:
1. It evaluates oxygenation by examining pO2 and SaO2 levels, ventilation by looking at pCO2, and acid-base balance using pH, HCO3, and BE measurements.
2. Specific acid-base disorders are identified by whether pH, pCO2, and HCO3 levels are above or below normal ranges, and the degree of compensation between the parameters.
3. Two sample ABG results are interpreted, with one showing fully compensated respiratory acidosis and the other showing mixed respiratory and metabolic acidosis.
Abg.2 Arterial blood gas analysis and example interpretation
This document provides an overview of different approaches to analyzing arterial blood gases (ABG), including the Copenhagen, Boston, and Stewart approaches. It discusses key parameters measured in an ABG such as pH, PaCO2, PaO2, HCO3, and oxygen saturation. The document also summarizes the steps involved in interpreting an ABG, including classifying acid-base disturbances as respiratory or metabolic, assessing compensation, and considering the anion gap in cases of metabolic acidosis.
ARTERIAL BLOOD GAS INTERPRETATION
This document discusses acid-base disorders and interpretation of arterial blood gases (ABGs). It defines acidosis and alkalosis, and describes respiratory and metabolic causes. Simple and mixed acid-base disorders are explained. Compensation by the lungs and kidneys in response to primary disorders is discussed. A stepwise approach to ABG interpretation is provided, including determining the primary disorder, checking for compensation, calculating the anion gap, and identifying specific etiologies. Characteristics of simple acid-base disturbances and combined disorders are summarized.
Arterial blood gas.ppt1 (1)
This document provides information on interpreting blood gas analysis (ABG). It discusses common errors in ABG sampling and outlines steps to analyze ABG results. Key points include checking if the pH indicates acidosis or alkalosis, identifying the primary disorder, assessing compensation, and calculating the anion and delta gaps to detect mixed disorders. Non-gap causes of acidosis are distinguished using urine anion gap. The document also covers expected changes in respiratory and metabolic acid-base disorders and differentials for specific conditions.
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Acid base balan : Acid and base balance in the human body
- 1. Acid base balance ABG By Aymen Alhasni
- 7. Normal Value PH = 7.40 (7.35 – 7.45) PaCo2 = 40 (35 – 45) mmHg HCO3= 25 (22– 26) mmHg PaO2 = 80– 100 mmHg Sao2 = 92 – 96 % Cl = 100 mmol/L Anion Gap: 12 ±2 ( Na – (HCO3 +Cl) Delta Gap: 6 ( AG – HCO3 ) Cl/HCO3 Gap: 5 (Cl - HCO3 )
- 8. Acid. Alkaline • • • • • • PH. 7.35 - 7.45 PCO2. 45. - 35 HCO3 22 - 28 . HCO3. Metabolic Acidosis HCO3. Metabolic Alkalosis PCO2. Respiratory Acidosis PCO2 . Respiratory Alkalosis
- 10. 3 Steps • • • Step 1: Look at: pH : Acidemia or alkalemia Step 2: Look at: PaCO2/HCO3: Resp./Met. Step 3: Is there Expected Compensa on
- 11. PH= 7.35 _7.45 paco2 =35_45 Hco3 =22_28 • • • PH =7.49 HCO3 = 27 Paco2 = 28
- 12. PH= 7.35 _7.45 paco2 =35_45 Hco3 =22_28 • Uncompensated RESPIRATORY Alkalosis
- 13. PH= 7.35 _7.45 paco2 =35_45 Hco3 =22_28 • • • PH. 7.21 HCO3. 15 paco2. 40
- 14. PH= 7.35 _7.45 paco2 =35_45 Hco3 =22_28 • Uncompensated Metabolic Acidosis
- 15. PH= 7.35 _7.45 paco2 =35_45 Hco3 =22_28 • • • PH. 7.50 HCO3. 34 paco2. 41
- 16. PH= 7.35 _7.45 paco2 =35_45 Hco3 =22_28 • Uncompensated Metabolic Alkalosis
- 19. Types of compensation • • • Par al complete mixed
- 20. Partial
- 21. • • • PH. 7.21 HCO3. 15 paco2. 40 PH= 7.35 _7.45 paco2 =35_45 Hco3 =22_28
- 22. PH= 7.35 _7.45 paco2 =35_45 Hco3 =22_28 • • • • • • Par al compensa on RESPIRATORY Alkalosis Ph. 7.50 pco2. 25 Hco3 19 Na. 130 cl. 80
- 23. complete
- 24. complete
- 25. complete • Compensated RESPIRATORY Alkalosis
- 26. mixed
- 27. mixed
- 28. mixed • Mixed Metabolic Respiratoty Alkalosis
- 29. Anion Gap • • • • • Anion Gap: 12 ±2 ( Na – (HCO3 + Cl) PH 7.30 pco2. 60 Hco3 30 Na 135 cl 100
- 30. PH= 7.35 _7.45 paco2 =35_45 Hco3 =22_28 • RESPIRATORY Acidosis with low AG