Were going to look at the different components of the arterial blood gas and what they mean. Today every icu provides rapid and automated blood gas testing twentyfour hours a day. Weve created this guide, which aims to provide a structured approach to abg interpretation whilst also increasing your understanding of each results relevance. As you struggle to listen to the machine company representative talking about cleaning the machine. It also measures your bodys acidbase ph level, which is usually in balance when youre healthy. Thus, will be impaired in lung disease such as copd. New book all you really need to know to interpret arterial blood gases includes abc quik course. This is arterial blood gases by debra smithharr on vimeo, the home for high quality videos and the people who love them. Jul 01, 2019 a blood gas test measures the amount of oxygen and carbon dioxide in the blood. Understanding arterial blood gases abgs nysna continuing. Be sure to download the free arterial blood gas cheat sheet that goes along with this video.
Abg tests are used to evaluate respiratory and kidney functions and give an overall look into the bodys metabolic state. Arterial blood gases abgs is a collective term applied to three separate measurementsph, p co 2, and p o 2 generally made together to evaluate acidbase status, ventilation, and arterial oxygenation. An arterial blood gas abg test measures oxygen and carbon dioxide levels in your blood. Your doctor may run a blood gas analysis or arterial blood gas abg test if you are showing the signs of an oxygen, carbon dioxide, or ph imbalance such as confusion or difficulty breathing. This analysis of blood gas can help evaluate a persons respiratory and metabolic status. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Abg is a measurement of how well the lungs can provide adequate oxygen to the body and subsequently remove the carbon dioxide. Changes in oxygenation and acidbase balance are key to understanding the acuity and progression of. Oxygen o2 and carbon dioxide co2 are the most important respiratory gases, and their partial pressures in arterial blood reflect the overall adequacy of gas exchange. The average amount of pao 2 and paco 2 measurements was eight per patient.
Arterial blood gases abgs is a diagnostic test performed on blood taken from an artery that provides a glimpse of how much oxygen and carbon dioxide are in your blood, along with your bloods ph level. Arterial blood gases metro health hospital metro health. The purpose of this course is to provide nurses with information regarding blood gases and their basic interpretation skills. How to determine if an abg is fully compensated, partially compensated, or uncompensated. Mar 01, 2009 how to take arterial blood for gas analysis. Read all you really need to know to interpret arterial blood gases includes abc quik course ruffain.
Arterial blood gas interpretation in 5 min youtube. For example, they cant tell whether low levels are caused by lung or heart problems. Collection of a quality specimen is the first step in providing an accurate test result. Arterial blood gas samples can be obtained from a number of sites, including the following radial artery at the wristthe most popular site for arterial blood sampling because of its easy accessibility, superficial location, and availability of collateral circulation. Arterial blood gas sampling abg osce guide youtube. Arterial blood gases ii advanced blood gas case studies is a testing session that presents ventilator management patient scenarios in which the user either interprets the blood gas abnormality, the cause for the blood gas abnormality, or the corrective action for the blood gas abnormality. It provides a measure of oxygen diffusion across the alveoli into the blood. This is arterial blood gases by uk on vimeo, the home for high quality videos and the people who love them. Arterial blood gas an overview sciencedirect topics. This is a short video lecture using a case based approach for abg interpretation. Arterial blood gas tensions after resuscitation from outofhospital cardiac arrest.
Avoid preanalytical errors when collecting an arterial line sample. Specimen collection arterial blood gas new hanover. It is aimed at anyone who uses these in clinical practice ranging from medical students and new foundation doctors. An arterial blood gas requires the nurse to collect a small sample of blood generally, a full 1 ml. Arterial blood gases abgs provide a wealth of information for the differential diagnosis of many respiratory and metabolic diseases, but how can nurses use this information as part of the physical assessment and reporting of key events. An arterialblood gas abg test measures the amounts of arterial gases, such as oxygen and carbon dioxide. Heparin needs to be provided in a dry format to avoid dilution errors 3 important points about heparin sufficient concentration of heparin is needed.
These measurements should be considered with the patients clinical features table 1. Due to the persistent, continuing incidence of retinopathy of prematurity rop, any infant in an increased ambient oxygen concentration must have his arterial oxygen tension or saturation monitored. In fact, the difference between arterial and venous blood goes well beyond the concentration of gases. Arterial blood gas tensions after resuscitation from out.
Blood can be drawn via an arterial stick from the wrist, groin, or above the elbow. This is arterial blood gases by uk on vimeo, the home for high quality videos and the. Arterial blood gases definition of arterial blood gases. Radial artery in the wrist femoral artery in the groin brachial artery in the arm. Interpretation of arterial blood gas pubmed central pmc. As blood passes through your lungs, oxygen moves into. You are watching an educational video about interpreting abgs. Abgs arterial blood gas metabolic acidosis alkalosis vs respiratory acidosis alkalosis jovanni evans. All you need to know about arterial blood gases, acid base disorders and how to approach any of them. We measure the concentration of two gases dissolved in the arterial blood. It is, therefore, important that students and physicians be able to interpret the results of arterial blood gas sampling, determine the patients acidbase status and assess the adequacy of oxygenation. The automated analysers measure the ph and the partial pressures of oxygen pao 2 and carbon dioxide paco 2 in arterial blood. The selftesting questions and glossary make it particularly useful.
The cerebral performance category at 12 months was used as primary endpoint. Mar 01, 2005 although drawing routine lab work through an artery may save time and reduce the number of punctures a patient might be subjected to, the practice is unorthodox and threatens the accuracy of the results in that it assumes blood is blood. Use an easy 6step method to analyze blood gases for the right answer. A blood gas test measures the amount of oxygen and carbon dioxide in the blood. Arterial line sampling to obtain an arterial blood gas. Abg interpretation a guide to understanding abgs geeky. Arterial blood gases provide 2 specific types of information. Arterial blood gases definition of arterial blood gases by. This will be the only video you will need to interpret your abgs. Specimen collection arterial blood gas the primary responsibility of a phlebotomist is to collect blood for laboratory analysis, which is necessary for diagnosis and care of the patient. Jan 26, 2015 other useful information from arterial blood gases. Blood gases are a measurement of how much oxygen and carbon dioxide are in your blood.
The radial artery on the wrist is most commonly used to obtain the sample. 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. Arterial blood gas abg analysis is an essential part of diagnosing and managing a patients oxygenation status and acidbase balance. How to take an arterial blood gas abg osce guide youtube. The usefulness of this diagnostic tool is dependent on being able to correctly interpret the results. It may also be used to determine the ph of the blood, or how acidic it is. Oxygen o 2 and carbon dioxide co 2 are the most important respiratory gases, and their partial pressures in arterial blood reflect the overall. Remember the partial pressure of a gas is just a way of measuring the concentration of that gas. Arterial blood gases indications and interpretation. The ability to perform an arterial blood gas abg is something medical. The emphasis in this handy manual on blood gases is on interpreting readings and wisely using the information derived.
Free pulmonary course on arterial blood gas analysis. Analysis of arterial blood gas oxygen saturation, po2, pco2, co2, ph. The concentration of oxygen and carbon dioxide in the blood, whose partial pressures are measured along with other factors such as blood ph in order to assess oxygen saturation and other metabolic indicators in patients, especially those with respiratory disorders. Rating is available when the video has been rented. Solving arterial blood gas abg problems free boook online. Arterial blood gas abg diagnostic tests give us vital information about the patients oxygenation status and how well the bodys three buffer. Arterial blood gas abg values alone dont provide enough information to diagnose a problem. Consider fomepizole, which is a competitive alcohol dehydrogenase inhibitor. Be sure to download your free arterial blood gas cheat sheet that goes along with this video. This primer describes a clinical approach to interpreting arterial blood gases. An arterial blood gas abg test measures the acidity ph and the levels of oxygen and carbon dioxide in the blood from an artery. Collection of arterial blood gas samples university of. Arterial blood gases clinical methods ncbi bookshelf.
The partial pressure of oxygen in the arterial blood the pao2 and the partial pressure of co2 in the arterial blood the paco2. Arterial blood gases abgs is a collective term applied to three separate measurementsph, pco2, and po2generally made together to evaluate acidbase status, ventilation, and arterial oxygenation. The second edition includes patient scenarios, more figures, a revised bibliography, and pertinent. Arterial blood gas definition of arterial blood gas by the. Blood may be collected from one of the following arteries. Arterial blood gases part i free version download for pc. Arterial blood gases ii free version download for pc. An arterial blood gas abg test measures the amounts of arterial gases, such as oxygen and carbon dioxide. Weve got a new version of this video here download the app.
The interpretation of arterial blood gases australian. The purpose of this selflearning packet is to educate patient care providers on the basic principles of acidbase balance, as well as to provide a systematic approach to the interpretation of arterial blood gases. Collection of arterial blood gas samples university of iowa. Dr tamara keith does an excellent overview of the complex topic of arterial blood gas interpretation. All you really need to know to interpret arterial blood gases. To view more videos, check out the acls certification institute at. Video explain acidosis, acidaemia, alkalosis, alkalaemia, abgs, ph, and more. Arterial blood gas definition of arterial blood gas by. Abgs made easy for nurses w tic tac toe method for arterial blood gas interpretation duration. Other useful information from arterial blood gases. Although drawing routine lab work through an artery may save time and reduce the number of punctures a patient might be subjected to, the practice is unorthodox and threatens the accuracy of the results in that it assumes blood is blood. This test is used to check how well your lungs are able to move oxygen into the blood and remove carbon dioxide from the blood.
Arterial blood gases part i the medical software program is especially applicable for practicing health care practitioners and medical students in the following medical fields. Arterial blood gases abg results reflect underlying pathology and interpretation of the results are often compounded by ongoing disease processes and clinical interventions. Arterial blood gas analysis workshop learning outcomes at the end of this workshop candidates should be able to. However, the femoral artery and brachial artery can be used if necessary. Arterial blood gases can be challenging to all nurses despite their level of expertise. Understanding arterial blood gases nursing case studies. It is blood test performed on a sample of blood taken from an artery venous blood cant be used it is vital to patients management in critical areas such as icu and emergency department. Print it out, take it to nursing school clinical, skills. Master the abgs in less than 24 hours with more than. In todays video series, were talking about arterial blood gaseshow to look at and interpret an abg. Arterial blood gas abg interpretation is something many medical students find difficult to grasp weve been there. The health care provider may test circulation to the hand before taking a sample of blood from the wrist area.