Institute for Continuing Education

Arterial Blood Gasses Part II: A Review of Interpretation Skills (ABG)

Course Objectives

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

• Differentiate between primary acidosis and alkalosis states, including their compensatory mechanisms and clinical manifestations
• Identify metabolic causes of acid-base disturbances and explain their pathophysiological mechanisms
• Recognize respiratory causes of acid-base disorders and select appropriate therapeutic interventions
• Apply systematic approaches to interpret simple and complex acid-base disorders including mixed disturbances
• Explain oxygen transport mechanisms from atmospheric air to cellular mitochondria
• Assess tissue oxygenation using clinical parameters and laboratory indices
• Interpret arterial blood gas results across diverse clinical scenarios and patient populations
• Apply evidence-based protocols for managing acid-base and oxygenation disorders in clinical practice

Course Information

A complete assessment of acid-base balance should include determinations of PaCO2, pH and bicarbonate concentrations, as well as the levels of the other serum electrolytes. Diagnostic possibilities include pure metabolic or respiratory acidosis, or a combination of the two, and pure respiratory or metabolic alkalosis, or a combination of the two. Respiratory and metabolic compensatory mechanisms are frequently involved, and in mixed disturbances in clinical circumstances frequently are of a mixed variety.

This course will help you sort out the acid-base component and the nuances associated with arterial blood gas interpretation which allows you to ascertain and identify arterial blood gas disorders. The oxygenation component of the arterial blood gas analysis is in the latter portion of this unit of instruction.