Blood Gas Analysis Interpretation Pdf

Blood gas analysis interpretation pdf. Arterial blood gas analysis is an essential part of diagnosing and managing a patient s oxygenation status and acid base balance. If it outside range then it is uncompensated or partially compensated. Interpretation of arterial blood gases abgs david a. Historically clinical laboratory testing was performed by medical laboratory scientists and medical laboratory technicians.

Details about i ph ii oxygenation oxygen saturation oxygen content alveolar gas equation indices of. From this baseline you can then begin to recognise significant variations in a patient s results which could indicate clinical deterioration. Deorari aiims 2008 2 contents 1. It discusses the various components on an.

Terminology and normal arterial blood gases 3. The usefulness of this diagnostic tool is dependent on being able to correctly interpret the results. Following are the steps one should follow when reading the arterial blood gas and interpreting the values simultaneously. Ph midpoint is 7 4.

Normal values definitions 3 steps to abg interpretation other values often overlooked oxyhaemoglobin dissocation curve odc mixed venous blood gas values mixed venous gases measures oxygen left in the blood as it returns to the heart right side after it has been pumped around the body supply ing cells with oxygen. Blood gas analysis 1. Blood gas analysis provides critical information to healthcare providers that assists in the diagnosis and treatment of a variety of metabolic and respiratory disorders. If normal the blood gas is compensated or not.

We ve created this guide which aims to provide a structured approach to abg interpretation whilst also increasing your understanding of each result s relevance. Arterial blood gas interpretation. Arterial blood gas abg interpretation is something that can be difficult to grasp initially we ve been there. Understanding the print outs 4.

Introduction indications and sources of errors 2. Kaufman md chief section of pulmonary critical care sleep medicine bridgeport hospital yale new haven health assistant clinical professor yale university school of medicine section of pulmonary critical care medicine introduction. This is the first of a two part unit on arterial blood gas abg analysis and focuses on background information and basic interpretation of abgs where no evident compensation is taking place. See whether ph is within normal range or not.

Approach to interpretation of abg. Today blood gas analysis is. Body will not overcompensate when it comes to acid base balance so.