Blood Gas Interpretation

A systematic approach to blood gas interpretation (blood gas analysis) in 6 main steps, including some extra tips.
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Timestamps:
0:00 What does a blood gas show?
0:34 Systematic Approach - 1) Details
1:05 Systematic Approach - 2) Partial Pressures
3:05 Systematic Approach - 3) Haemoglobin
4:09 Systematic Approach - 4) pH -General
5:30 Systematic Approach - 5) pH - Specific
7:34 Systematic Approach - 6) pH- Compensation
8:15 Systematic Approach - 7) Lactate
9:24 Systematic Approach - 8) Electrolytes & Glucose
9:57 Blood Gas Pearls
References

1. David A. Kaufman - American Thoracic Society Interpretation of Arterial Blood Gases (ABGs). Available at https://www.thoracic.org/professionals/clinical-resources/critical-care/clinical-education/abgs.php
2. Oxford Medical Education (2014) Arterial Blood Gas (ABG) interpretation for medical students, OSCEs and MRCP PACES. Available at **https://oxfordmedicaleducation.com/abgs/abg-interpretation/
3. Gillian Kelly - Royal College of Emergency Medicine (2021) Arterial Blood Gas Analysis. Available at https://www.rcemlearning.co.uk/reference/arterial-blood-gas-analysis/
4. Nickson, C - Life in the Fast Lane (2020) Anion Gap. Available at https://litfl.com/anion-gap/
5. Scott A Helgeson (2017) Normal carboxyhaemoglobin level in carbon monoxide poisoning treated with hyperbaric oxygen therapy. Available at https://casereports.bmj.com/content/2017/bcr-2017-221174
6. SKYLER LENTZ - Emergency Physician Monthly (2019) Blood Gases: ABG vs. VBG. Available at https://epmonthly.com/article/blood-gases-abg-vs-vbg/
7. Yarstev, A - Deranged Physiology (2023) Concentration of total haemoglobin in the ABG sample. Available at https://derangedphysiology.com/main/cicm-primary-exam/required-reading/respiratory-system/Chapter 122/concentration-total-haemoglobin-abg-sample

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