Outline
For this week's revision, instead of practice SAQs please see the blood gas library available here. These cases have been derived from past practice papers.Blood Gases Topic Triage
Select multiple topics, then set triage / flag.
Ix Principles
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Arterial vs venous blood gasesTriage:1 2 3 4 5
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Acidosis vs acidemiaTriage:1 2 3 4 5
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CompensationTriage:1 2 3 4 5
Ix Definitions
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pH definitionsTriage:1 2 3 4 5
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Expected CO2 & HCO3Triage:1 2 3 4 5
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Anion gap & Delta ratioTriage:1 2 3 4 5
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Osmolality & Osmolar gapTriage:1 2 3 4 5
Ix Application & Calculation
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Primary acid-base disturbancesTriage:1 2 3 4 5
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Expected CO2 calculationTriage:1 2 3 4 5
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Expected HCO3- calculationTriage:1 2 3 4 5
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Anion gap calculationTriage:1 2 3 4 5
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Delta ratio calculationTriage:1 2 3 4 5
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Corrected Na calculationTriage:1 2 3 4 5
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Corrected K calculationTriage:1 2 3 4 5
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Alveolar gas calculationTriage:1 2 3 4 5
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Expected A-a calculationTriage:1 2 3 4 5
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Urea:Creatinine ratio calculationTriage:1 2 3 4 5
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Osmolality calculationTriage:1 2 3 4 5
Ix Interpretation
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Blood gas interpretation (ABG and VBG)Triage:1 2 3 4 5
Ix Challenges & Exceptions
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Mixed acid-base interpretationTriage:1 2 3 4 5
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Partially treated acid-base problemsTriage:1 2 3 4 5
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Triple acid-base disturbancesTriage:1 2 3 4 5
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Blood gas quality problemsTriage:1 2 3 4 5
DDx
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Metabolic acidosis HAGMA DDxTriage:1 2 3 4 5
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Metabolic acidosis NAGMA DDxTriage:1 2 3 4 5
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Metabolic alkalosis DDxTriage:1 2 3 4 5
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Respiratory acidosis DDxTriage:1 2 3 4 5
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Respiratory alkalosis DDxTriage:1 2 3 4 5
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Raised Lactate DDxTriage:1 2 3 4 5
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Raised A-a gradient DDxTriage:1 2 3 4 5
Dx Criteria
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Cohen and Woods classificationTriage:1 2 3 4 5