Gasometria Arterial

Interpretation of the Arterial Blood Gas

Self-Learning Packet 2004

This self-learning packet is approved for 2 contact hours for the following professionals: 1. Registered Nurse 2. Licensed Practical Nurse

Orlando Regional Healthcare, Education & Development

 Copyright 2004

Arterial Blood Gas Interpretation

Table of Contents
Purpose................................................................................................................... 3 Objectives ................................................................................................................ 3 Instructions.............................................................................................................. 3 Introduction............................................................................................................. 4 Acid-Base Balance..................................................................................................... 4 Acid-Base Disorders .................................................................................................. 5 Components of the Arterial Blood Gas........................................................................ 8 Steps to an Arterial Blood Gas Interpretation............................................................... 9 Compensation ........................................................................................................ 12 Special Considerations............................................................................................. 18 Summary............................................................................................................... 19 Glossary................................................................................................................. 20 Posttest ................................................................................................................. 21 Bibliography........................................................................................................... 25

 Copyright 2004 Orlando Regional Healthcare, Education & Development

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Arterial Blood Gas Interpretation

Purpose
The purpose of this self-learning packet is to educate patient care providers on the basic principles of acid-base balance, as well as to provide a systematic approach to the interpretation of arterial bloodgases. Orlando Regional Healthcare is an Approved Provider of continuing nursing education by Florida Board of Nursing (Provider No. FBN 2459) and the North Carolina Nurses Association, an accredited approver by the American Nurses Credentialing Center’s Commission on Accreditation (AP 085).

Objectives
After completing this packet, the learner should be able to: 1. Describe the physiology involvedin the acid/base balance of the body. 2. Compare the roles of PaO2, pH, PaCO2 and Bicarbonate in maintaining acid/base balance. 3. Review causes and treatments of Respiratory Acidosis, Respiratory Alkalosis, Metabolic Acidosis and Metabolic Alkalosis. 4. Identify normal arterial blood gas values and interpret the meaning of abnormal values. 5. Interpret the results of various arterial blood gassamples. 6. Identify the relationship between oxygen saturation and PaO2 as it relates to the oxyhemoglobin dissociation curve. 7. Interpret the oxygenation state of a patient using the reported arterial blood gas PaO2 value.

Instructions
In order to receive 2.0 contact hours, you must:
• • •

Complete the posttest at the end of this packet Submit the posttest to Education & Development withyour payment Achieve an 84% on the posttest

Be sure to complete all the information at the top of the answer sheet. You will be notified if you do not pass, and you will have an opportunity to retake the posttest.

 Copyright 2004 Orlando Regional Healthcare, Education & Development

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Arterial Blood Gas Interpretation

Introduction
Arterial blood gas analysis is an essential...