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TUTORIAL 2 : TOPIC 2
HYDROGEN ION
HOMEOSTASIS
CHM60304 CLINICAL CHEMISTRY
STEPS TO ABG INTERPRETATION
EXAMPLE - CASE 1
• ABG Results:
pH : 7.30 (7.35 - 7.45)
pCO2: 55 (35 - 45)
HCO3: 26 (22 – 26)
• Interpretation:
pH : 7.30 (Acid)
pCO2: 55 (Acid) = Lungs
HCO3: 26 (Normal) = Kidneys
• Interpretation:
Respiratory acidosis
STEPS TO ABG INTERPRETATION IN COMPENSATION
EXAMPLE - CASE 2
• ABG Results:
pH : 7.38 (7.35 - 7.45)
pCO2: 56 (35 - 45)
HCO3: 35 (22 – 26)
• Interpretation:
pH : 7.38 (NORMAL)
pCO2: 55 (Acid) = Lungs
HCO3: 35 (Alk) = Kidneys
• Use pH 7.40
7.38 = Acid
• Interpretation:
Respiratory acidosis - compensated
NOW, ATTEMPT THE ABG CASES IN
TIMES TUTORIAL 2 QUIZ…
NOW, ATTEMPT THE ABG CASES IN
TIMES TUTORIAL 2 QUIZ…

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Tutorial 2 abg summary

  • 1. TUTORIAL 2 : TOPIC 2 HYDROGEN ION HOMEOSTASIS CHM60304 CLINICAL CHEMISTRY
  • 2. STEPS TO ABG INTERPRETATION
  • 3. EXAMPLE - CASE 1 • ABG Results: pH : 7.30 (7.35 - 7.45) pCO2: 55 (35 - 45) HCO3: 26 (22 – 26) • Interpretation: pH : 7.30 (Acid) pCO2: 55 (Acid) = Lungs HCO3: 26 (Normal) = Kidneys • Interpretation: Respiratory acidosis
  • 4. STEPS TO ABG INTERPRETATION IN COMPENSATION
  • 5. EXAMPLE - CASE 2 • ABG Results: pH : 7.38 (7.35 - 7.45) pCO2: 56 (35 - 45) HCO3: 35 (22 – 26) • Interpretation: pH : 7.38 (NORMAL) pCO2: 55 (Acid) = Lungs HCO3: 35 (Alk) = Kidneys • Use pH 7.40 7.38 = Acid • Interpretation: Respiratory acidosis - compensated
  • 6. NOW, ATTEMPT THE ABG CASES IN TIMES TUTORIAL 2 QUIZ…
  • 7. NOW, ATTEMPT THE ABG CASES IN TIMES TUTORIAL 2 QUIZ…