An arterial blood gas test can find ways to help your lungs do their job. Arterial blood gas analysis plays an indispensable role in. Arterial blood gases you are a new staff member working in the emergency department ed during your induction you are introduced to the practical workings of the point of care arterial blood gas abg machine in the ed. Blood is most commonly drawn from the radial artery because it is easily accessible, can be compressed to control bleeding, and has less risk for vascular occlusion. Arterial blood gas abg interpretation is something many medical students find difficult to grasp weve been there. Jan 16, 2019 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. Fortunately, there are some easy ways to remember how to decipher these important lab results. Key physiology including the carriage of respiratory gases is incorporated and applied to the parameters measured in blood gas analysis. Arterial blood gas analysis making it easy clinical. If you continue browsing the site, you agree to the use of cookies on this website. This will be the only video you will need to interpret your abgs. The three things the machine actually measures are the ph of the blood and the partial.
Arterial blood gasses, or abgs, may be among the most complex and confusing parts of nursing practice. Blood is drawn anaerobically from a peripheral artery radial, brachial, femoral, or dorsalis pedis via a single percutaneous needle puncture, or from an indwelling arterial cannula or catheter for multiple samples. This information indicates a patients acidbase balance, the effectiveness of their gas exchange and the state of their ventilatory. Arterial blood gas abg analysis is an essential part of diagnosing and managing a patients oxygenation status and acidbase balance. Now you will want to move on to abg interpretation made easy part ii and, once you have oxygenation mastered, now its time for some practice. This page is based on the bestseller in the us for the past decade on abgs.
The first priority for the respiratory system is ph. Arterial blood gas abg helps us to assess the present acid base. The value of such data depends upon the ability of the doctors to interpret the results properly and if the analysis is made systematically, it becomes interesting for the doctors and fruitful for the patient. It is the dedication of healthcare workers that will lead us through this crisis. One advantage of subscribing to rss feeds is that you dont have to constantly revisit this site to check for updates within specific sections you might be interested in because your browser or feed reader will do this for you automatically on a regular basis plus you can even get email. The partial pressure of oxygen in the arterial blood the pao2 and the partial pressure of co2 in the arterial blood the paco2. The usefulness of this diagnostic tool is dependent on being able to correctly interpret the results. Making sense of arterial blood gases nursing times. Arterial blood gas analysis workshop learning outcomes at the end of this workshop candidates should be able to. Weve created this guide, which aims to provide a structured approach to abg interpretation whilst also increasing your understanding of each results relevance. An arterial blood gas abg test measures oxygen and carbon dioxide levels in your blood. It measures the acidity ph and the levels of oxygen and carbon dioxide in arterial blood.
If arterial blood gases are taken it is also important to note the inspired oxygen and. Find out when you get it and what the results mean. Arterial blood gases abgs are measured in a laboratory test to determine the extent of compensation by the buffer system. They may help make a diagnosis, indicate the severity of a condition and help to. Abg arterial blood gas analysis made easy book with dvd. Oxygen content o2ct, oxygen saturation sao2, and bicarbonate hco3 values are also measured. Fully operational on battery and with customizable test panels, it can be shared between several departments. Diagnosis is made easier by understanding the pathophysiological mechanisms that cause hypoxaemia and hypercapnia. The new abl9 blood gas analyzer is specially designed for critical care environments running only a few tests per day. The oxygen partial pressure pao2, the measurement of oxygen dissolved in the blood, is an important indicator of potential tissue oxygenation. Download arterial blood gases made easy pdf book free from arterial blood gases made easy pdf. Arterial blood gas analysis is used to measure the ph and the partial pressures of oxygen and carbon dioxide in arterial blood. As you struggle to listen to the machine company representative talking about cleaning the machine.
Clinical use of blood gas analysis of ph and p co 2 began with the polio epidemics as described previously, but commercial devices able to also measure p o 2 came surprisingly slowly into common use. Apr 18, 2016 written by a senior lecturer in critical care, this easy tofollow guide will help practitioners at all levels develop their skill in assessing arterial blood gas results. It also has some applications in general practice, such as assessing the need for domiciliary oxygen therapy in patients with chronic obstructive pulmonary disease. Arterial blood gas made easy slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Components of the arterial blood gas the arterial blood gas provides the following values. Abg arterial blood gas analysis made easy book with dvd essentials of abg dvd ver dn1.
Apr 04, 2015 arterial blood gases abgs are an important routine investigation to monitor the acidbase balance of patients. Arterial blood gases abg, a clinical test that involves measurement of the ph of arterial blood and the amount of oxygen and carbon dioxide dissolved in arterial blood, is routinely used in the diagnosis and monitoring of predominantly criticallyacutely ill patients being cared for in hospital emergency rooms and intensive care units. Arterial blood gas interpretation made easy fluid and electrolytes exam next week. The arterial blood gas abg analyzer interprets abg findings and values. Mar 31, 2008 arterial blood gas made easy slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Some blood gas analyzers also measure the methemoglobin, carboxyhemoglobin, and hemoglobin levels. Arterial blood gas analysis requires a clear understanding of the terms used.
Arterial blood gas sampling society for acute medicine. An arterial blood gas abg is a test that measures the oxygen tension pao 2, carbon dioxide tension paco 2, acidity ph, oxyhemoglobin saturation sao 2, and bicarbonate hco 3 concentration in arterial blood. Abg or arterial blood gas analysis made easy facebook. It also measures your bodys acidbase ph level, which is usually in balance when youre healthy. A method of estimating the oxygen and carbonic acid in small quantities of blood. Abgs made easy for nurses w tic tac toe method for arterial blood gas interpretation. Explain the types of errors that can occur with blood gas analysis.
Arterial blood gases made easy request pdf researchgate. Blood for an abg test is taken from an artery whereas most other blood tests are done on a sample of blood taken from a vein. The investigation is relatively easy to perform and yields information that can guide the management of acute and chronic illnesses. Mar 10, 2020 arterial blood gas abg interpretation for nurses. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Patients are often required to be checked for arterial blood gas analysis to find what exactly is happening in the body of patients system. This tictactoe technique involves a few charts to help you visualize abgs. List the types of samples that can be analyzed for blood gas and analyte concentrations.
You are watching an educational video about interpreting abgs. Written by a senior lecturer in critical care, this easy tofollow guide will help practitioners at all levels develop their skill in assessing arterial blood gas results. Interpretation of arterial blood gas pubmed central pmc. We measure the concentration of two gases dissolved in the arterial blood. Pdf arterial blood gases abg results reflect underlying pathology and. Like the goddess venus, it emerged fully grown and ready for action. Everyone can read an electrolyte level, but when faced with a list of abgs, most nurses wilt.
The radial artery on the wrist is most commonly used to obtain the sample. Apr 03, 2020 an arterial blood gas requires the nurse to collect a small sample of blood generally, a full 1 ml. Blood gas analysis and critical care medicine american. Arterial blood for blood gas analysis is usually drawn by a respiratory therapist and sometimes a phlebotomist, a nurse, a paramedic or a doctor. However, the femoral artery and brachial artery can be used if necessary.
Arterial blood gas abg analysis is a fundamental skill in modern medicine yet one which many find difficult to grasp. Blood gas and critical care analyte analysis chapter objectives 1. The interpretation of arterial blood gases australian. Remember the partial pressure of a gas is just a way of measuring the concentration of that gas. The book is called arterial blood gas anslysis made easy isbn. Most doctors struggle with arterial blood gas abg interpretation. Jan 15, 2015 arterial blood gas abg is now widely done in hospitals. If youre new here, you may want to subscribe to our rss feed. But it is often encountered that many students dont know how to read abg, and thats why we are providing arterial blood gas. Arterial blood gas analysis is often perceived as one of the most difficult topics to be covered in the laboratory medicine curriculum, so many will welcome the. Arterial blood gas analysis is a common investigation in emergency departments and intensive care units for monitoring patients with acute respiratory failure. Arterial blood gas interpretation abg arterial blood gas analysis is used to measure the partial pressures of oxygen pao2, carbon dioxide paco2, and the ph of an arterial blood sample.
Mar 14, 2015 arterial blood gas analysis slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Nursing schools memes grumpy cat printer projects new york. If partial pressure of carbon dioxide pco2 goes down, partial pressure of oxygen po2 should go up. Cutler, l and cutler, j 2010 critical care nursing made incredibly easy. So direct measurement of ph, pao 2, paco 2 are most precise in medicine. Request pdf on jan 1, 2007, i hennessey and others published arterial blood. We often encounter patients who are critically sick and need monitoring more than vitals like bp and pulse rate. Arterial blood gases made easy pdf free download epdf. Use an easy 6step method to analyze blood gases for the right answer. Blood can be drawn via an arterial stick from the wrist, groin, or above the elbow.