Blood Gas Case Collection

Learn to interpret blood gases (ABG & VBGs) systematically with our collection of clinical cases written by experienced clinicians.

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Blood Gas Case Collection

What's included?

60+ cases 💉
Improve your interpretation skills with our growing collection of arterial and venous blood gases cases.
Key topics 🏥
Learn to recognise key blood gas abnormalities, including acid-base disturbances and electrolyte abnormalities.
Systematic 🤔
Each blood gas is analysed using a step-by-step approach (oxygenation, pH, PaCO2, HCO3-, base excess and compensation).
Clear explanations ✍️
Each case study includes a detailed explanation to help you understand the underlying physiology.
CPD certificates 📄
Downloadable certificates with performance metrics for CPD evidence.
Notebook ✍️
Access to our Notebook with 350+ topic summaries.
Webinars 🎥
Access all previously recorded webinars with downloadable attendance certificates for CPD.
Blood Gas illustration
Example

Cases

Example

Learn to recognise key blood gas abnormalities

Q Case 1 of 85

A 55 year old smoker with known COPD presents with a 1 day history of dyspnoea, cough and wheeze.

An arterial blood gas is performed on room air.

Review the blood gas and document your interpretation below.

TestResultNormal range
pH7.307.35 - 7.45
PaO27.8 kPa11-13 kPa (82.5 - 97.5 mmHg)
PaCO27.9 kPa4.7 - 6.0 kPa (35.2 - 45 mmHg)
HCO3-32 mEq/L22 - 26 mEq/L
BE+5.5-2 to +2
Na+137  mmol/L135 - 146 mmol/L
K+4.6 mmol/L3.5 - 5.3 mmol/L
Cl- 104 mmol/L98 - 106 mmol/L
Glucose5.1 mmol/L3.6 - 5.3 mmol/L (64.8 - 95.4 mg/dL)
Lactate2.1 mmol/L0.5 - 2.2 mmol/L

Example

Each blood gas is analysed using a step-by-step approach

Q Case 2 of 85

A 21 year old woman presents with a five day history of vomiting and lethargy. She is confused and hypotensive.

An arterial blood gas is performed on room air.

Review the blood gas and document your interpretation below.

TestResultNormal range
pH7.307.35 - 7.45
PaO213 kPa11-13 kPa (82.5 - 97.5 mmHg)
PaCO24.1 kPa4.7 - 6.0 kPa (35.2 - 45 mmHg)
HCO3-13 mEq/L22 - 26 mEq/L
BE-5-2 to +2
Na+135  mmol/L135 - 146 mmol/L
K+4.9 mmol/L3.5 - 5.3 mmol/L
Cl- 102 mmol/L98 - 106 mmol/L
Glucose27 mmol/L3.6 - 5.3 mmol/L (64.8 - 95.4 mg/dL)
Lactate2.6 mmol/L0.5 - 2.2 mmol/L
Researcher next to a lab table

Blood Gas Case Collection

Learn to interpret blood gases (ABG & VBGs) systematically with our collection of clinical cases written by experienced clinicians.

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