Abg quick interpretation parameter acidosis normal alkalosis reflects ph 7. When one thinks of abg analysis, oxygenation may come to mind first. Venous blood gas vbg interpretation oxford medical. This will be the only video you will need to interpret your abgs. Abg interpretation made easy step by step being able to interpret the results of an abg sample is extremely important for respiratory therapists. Learning objectives the clinician after participating in the roundtable will be able to. Patients are often required to be checked for arterial blood gas analysis to find what exactly is happening in the body of patients system. We didnt title this article mechanical ventilation made easy by accident. The o2 number has nothing to do with your acidbase abg interpretation.
See simple and mixed acidbase disorders and venous blood gases and other alternatives to arterial blood gases. But it is often encountered that many students dont know how to read abg, and thats why we are providing arterial blood gas. Describe the process for interpretation of a 12 lead ecg. Step 1 assess the internal consistency of the values using the hendersonhasselbalch equation. The present article aims to simplify arterial blood gas analysis for a rapid and easy bedside interpretation. These disorders are termed complex acidbase or mixed disorders. If you want to put your abg interpretation skills to the test, check out our abg quiz. You are watching an educational video about interpreting abgs. Arterial blood gases abgs are commonly used for estimating the acidbase status, oxygenation and carbon dioxide concentration of unwell patients. The following is a simplified explanation of abgs, including a practical method for interpreting results. Abgs made easy for nurses w tic tac toe method for. Looking for some tips to ease your anxiety over an upcoming test that covers arterial blood gas abg interpretation. In this guide, we will teach you the eight 8 steps on how to interpret and analyze arterial blood gas abg results using the tictactoe method. Partial compensation ph is still abnormal, and the other value is abnormal in an attempt to help normalise the ph.
Majority of the oral and maxillofacial surgeons find it difficult to interpret and clinically correlate the arterial blood gas report in their everyday practice. To adequately use this information, one must have a basic understanding of gas transportation and acidbase physiology. Everyone can read an electrolyte level, but when faced with a list of abgs, most nurses wilt. Interpreting an arterial blood gas abg is a crucial skill for physicians, nurses, respiratory. The goal of interpreting abg values is so that we can decipher what is happening to our patient, so that we can implement a plan to help them improve. However, arterial blood can be difficult to obtain due to weak pulses or patient movement.
However, the more complicated and in some ways more important part of abg analysis is ph regulation. It provides a near immediate reflection of the physiology of your patient, allowing you to recognise and treat pathology. Interpretation of venous blood gases and detailed discussion of acidbase disturbances are discussed separately. If you continue browsing the site, you agree to the use of cookies on this website. It also has some applications in general practice, such as assessing the need for domiciliary oxygen therapy in. Tic tac toe method arterial blood gas abg interpretation. An abg is the most accurate representation of a patients clinical status and correct interpretation can lead to quicker and more accurate changes in the. Interpreting abgs arterial blood gases made easy ausmed. Arterial blood gas abgs interpretation for nursing students and nurses.
The following is a simplified explanation of abgs, including a practical. Interpretation of arterial blood gases abgs david a. Discuss a systematic approach to rhythm interpretation. To see how to perform an arterial blood gas check out our guide here. Arterial blood gasses, or abgs, may be among the most complex and confusing parts of nursing practice. Arterial blood gas abg analysis is an essential part of diagnosing and managing a patients gas exchange and acidbase balance status, and can also be useful in providing immediate information about electrolyte status. Interpretation of the arterial blood gas selflearning packet see swift for list of qualifying boards for continuing education hours. An abg test is often done for a person who is in the hospital because of severe injury or illness. Its possible to have more than one disorder influencing blood gas values. This video tutorial is on how to setup arterial blood gas problems using the tic tac toe method. Here is the easiest way to interpret abg results using the tic tac toe method.
Arterial blood gas analysis is a common investigation in emergency departments and intensive care units for monitoring patients with acute respiratory failure. The test can measure how well the persons lungs and kidneys are working and how well the body is using energy. Ongjoco, do sinai hospital of baltimore abg interpretation first, does the patient. It is simple, perhaps simplistic, but it will hopefully arm the reader with the tools and confidence to make better sense of abg results in future. Arterial blood gas analysis for emergency medicine registrars.
Easy way to interpret abg values in 7 simple steps overview of the 7 simple steps. Without knowing them, your patient could easily go. Your interpretation of the patients acidbase status will help determine the best course of action to take when it comes to treating the patient. This guide was designed to provide a complete overview of mechanical ventilation for respiratory therapy students or anyone else who wants to learn more about this topic. However, its a crucial skill for nurses, physicians, respiratory therapists, and nursing students to learn. Fourstep method of interpreting arterial blood gas analysis. The real value of an abg comes from its ability to provide a nearimmediate reflection of the physiology of your patient, allowing you to recognise and treat pathology more rapidly. Arterial blood gas abg analysis is a fundamental skill in modern medicine yet one which many find difficult to grasp. This tictactoe technique involves a few charts to help you visualize abgs.
Ppt abg interpretation powerpoint presentation free to. Arterial blood gas made easy slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. This is bicarbonate, a chemical buffer made in the kidneys to neutralize acids. For example abg s with an alkalemic ph may exhibit respiratory acidosis and metabolic alkalosis.
Abg interpretations can be tricky, but memorize my strategy and these questions can be done quickly and accurately. The relative positions of the ph, paco2, and hco3 reveal the origin of any acid. With practice and careful thought, you can improve your skill and accuracy at abg interpretation. The simple fourstep approach described in this article has been specifically designed to enable all nurses to accurately and quickly interpret results of blood gas analysis, a skill that will improve patient care. We dont only want to interpret abg values for fun, they have a very important purpose. A free powerpoint ppt presentation displayed as a flash slide show on id. Woodruff, msn, rnbc, cns, cmsrn, cen 6 easy steps to. Blood gas analysis debbie fraser, mn, rncnic b lood gas analysis is one of the major tools in assessing the respiratory status of the newborn. This book provides readers with the core background knowledge required to understand the abg, explains how it is used in clinical practice and provides a unique system for interpreting results.
Mistakes in arterial blood gas abg interpretation are common in clinical practice. Registered users can save articles, searches, and manage email alerts. Abg interpretation a guide to understanding abgs geeky. It only addresses acidbase balance and considers just 3 values. Arterial blood gas analysis for emergency medicine registrars very helpful investigation in critical care you should be an expert you need a system, and must be thorough they are not really that hard part 1 the basics part 2 compensation part 3 metabolic acidosis part 4 metabolic alkalosis. Arterial blood gas more commonly known as abg, is one of the most routinely taken lab test to our patients and theres a very good reason why because the results gathered from this test may. In this article, we will share to you a technique on how abg interpretation is done and its made easy as if you are drinking your creamy coffee. Once youve mastered this technique, youll be doing actual abg interpretation. Acid normal alkaline ph paco2 hco3 the column that the ph is in tells you acidosis, or alkalosis. Acidbase disorders made so easy even a caveman can do it lorraine r franzi, mshsm, rd, ldn, cnsd nutrition support specialist university of pittsburgh medical center pittsburgh, pa i. This method is simple, easy and can be used for the majority of abgs.
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