Institute for Continuing Education

Arterial Blood Gasses Part I: Blood Gas Basics and the Respiratory System (ABG)

Course Objectives

Upon successful completion of this module, you will be able to:

• Explain the physiological principles underlying arterial blood gas analysis, including the chemical and physical properties of respiratory gases
• Describe the comprehensive anatomy and physiology of gas exchange within the respiratory system, from the upper airways to the alveolar-capillary membrane
• Identify all components of arterial blood gas panels and their clinical significance in patient assessment and management
• Discuss the technology and principles of modern blood gas analyzers, including electrochemical sensors and quality control procedures
• Interpret normal and abnormal blood gas values in clinical context, applying systematic approaches to acid-base analysis
• Apply preanalytical, analytical, and postanalytical considerations to ensure quality and accuracy in blood gas testing

Course Information

In this course we will review Blood Gas Basics, all the aspects of gas exchange and Acid-Base Balance, including O2 transport, ventilation, control of respiration, and a generalized summary – animals utilize O2 and produce CO2 + heat = occurs in the mitochondria – for cellular respiration to occur, must be a steady supply of O2 and CO2 must be steadily removed. There will be some overlap since the topics are all intertwined.

Close relationship between interdependence of plants and animals e.g. plants produce O2 as a result of photosynthesis (however, can only occur during daylight) and the interconnectedness between the physical, chemical and biological aspects to life (e.g. O2 level in water, ice and atmosphere – “circle of life”

Note: balance of atmospheric gases, the needs of both animal and plants is in some way delicate and can be disturbed/disrupted via man’s activities i.e. think about the environmental contaminants assignment. However, first we should review some basics of Respiration: