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Cover image for lecture: Shifting the pH: Acid-Base Balance

Lecture Overview

Normal cellular function depends on a normal acid-base balance. Imbalances can cause cellular damage and organ failure. In this lecture, Sue de Muelenaere explains how to interpret a blood gas analysis (ABG) step by step, with easy-to-follow examples for viewers to work through.


Portrait of Sue de Muelenaere
Sue de Muelenaere

Sue de Muelenaere is a registered nurse with more than 20 years’ experience as a nurse educator. Sue completed a five-year bachelor of nursing degree in South Africa, which included training in psychiatric and community nursing and midwifery. Since then, Sue has worked extensively in the intensive care environment, during which she has presented various courses, including an honour’s degree, a diploma in intensive care, and various short cardiac and ECG courses. Sue also holds an honour’s degree in advanced nursing science (intensive care nursing) and diplomas in nursing education and nursing administration. She was the education manager in a specialised heart hospital where she was responsible for the education of all hospital staff, including non-nursing staff members. Sue is passionate about teaching. She maintains a special interest in all aspects of nursing the critically-ill patient. See Educator Profile


52 Total Rating(s)
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Melissa Gains
03 Apr 2020

A very good easy to understand lesson on blood gas interpretations.

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Helena Adams
02 Apr 2020

Very well explained. It is great to be able to pause the video to write notes. The examples at the end helped to reinforce understanding.

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Jolene Zammit
01 Apr 2020

Excellent lecture. Very easy to follow. Good basic blood gas information.

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Bev Brown
03 Mar 2020

Best explanation I have ever heard The way she repeated the information several times in different ways helped to cement int in my brain

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Rosy Khadka Chhetri
08 Feb 2020

very great learning resources. This is a very hard confusing topic yet the tutor made it very simplified and easy to understand.

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Geno Ungil
10 Jan 2020

Love the presentation. Content made easy to understand.

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Sharon Gibbens
15 Dec 2019

Easy to understand what can be a complicated system

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Tyson Joseph Peters
02 Dec 2019

continue to study blood gas , and respatory and metabolic alcolosis and asicosis..better uderstanidng on how these effect the body systems

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Caroline Jenkins
18 Nov 2019

Very informative and interesting subject and very relevant to my work .

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Teresa Dempsey
15 Nov 2019

Good refresher course on gases. Information kept simple, easy to understand and good use of examples to reinforce talk.