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Acid–base & blood gases

Arterial blood gas interpretation for medical students, in the context of surgical patients.

Written and clinically reviewed by , consultant minimally invasive and bariatric surgeon, Al-Makassed Hospital, Jerusalem, and Assistant Professor of Surgery, Al-Quds University. Last updated .

A blood gas is the fastest way to see how sick a surgical patient is. Learn the five steps in the guide, check yourself with the calculator, then test yourself on ten surgical patients.

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Acid–Base Balance: A Visual Guide for Medical Students — free to download with a DOI, like the rest of the series.

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GuideABG interpretation, step by stepNormal values, the five steps, compensation and the anion gap.CalculatorABG calculatorPrimary disorder, compensation, anion gap and delta ratio.Practice · 10 casesABG interpretation quizTen surgical patients with model answers.

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