Be able to demonstrate the technique for performing an arterial puncture. Find powerpoint presentations and slides using the power of, find free presentations research about arterial blood gas interpretation powerpoint ppt. Arterial blood sampling who guidelines on drawing blood. Arterial blood gas practical procedure creative media. An arterial blood gas abg is a test that measures the oxygen tension. Aarc clinical practice guideline sampling for arterial blood gas analysis. 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. Oxygen content o2ct, oxygen saturation sao2, and bicarbonate hco3 values are also measured. How to interpret an arterial blood gas analysis lecturio. A blood gas test requires the collection of a small sample of blood. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect.
Upon completing documented instruction, and 5 supervised punctures, all respiratory therapists may perform arterial punctures in the pulmonary function clinic under the order of a physician. Describe the technique used for sampling blood from an artery. Arterial blood gas analysis workshop learning outcomes at the end of this workshop candidates should be able to. Arterial blood gas analysis assesses a patients partial pressure of oxygen pao2, providing. Remember there is always the other arm where the test could be performed.
Venous blood gases and other alternatives to arterial. Arterial partial pressure of carbon dioxide paco2 this is the partial pressure of carbon dioxide in the arterial blood. Procedure the following is the correct way to obtain an arterial blood gas. The blood sample is collected and tested in a laboratory. Pressure needs to be held for a little longer after the draw due to the pressure behind an artery unlike a vein. An arterial blood gas abg is a blood test carried out by taking blood from an artery, rather than a vein. We have created three arterial blood gas analysis slidesets. Components of the arterial blood gas the arterial blood gas provides the following values. Basic physiological concepts, anion gap, respiratory acidosis, metabolic alkalosis, metabolic acidosis. Abg analysis can also determine blood acidity ph level. View and download powerpoint presentations on arterial blood gas interpretation powerpoint ppt. Ppt arterial blood gas powerpoint presentation free to. During most blood testing procedures, blood is drawn from a vein. A free powerpoint ppt presentation displayed as a flash slide show on id.
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. Arterial blood gas an overview sciencedirect topics. 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. Buffers buffer systems minimize the change in ph resulting from production of acid. An arterial blood gas abg test will not be done on an arm used for dialysis or if there is an infection or inflammation in the area of the puncture site. Arterial blood gas interpretation powerpoint ppt xpowerpoint. Arterial blood gases abg results reflect underlying pathology and interpretation of the results are often compounded by ongoing disease processes and clinical interventions. How to take an arterial blood gas abg osce guide youtube.
Calculated arterial blood gas values from a venous sample and. Abgs made easy for nurses w tic tac toe method for arterial blood gas interpretation duration. Role of the respiratory systemelimination of volatile acid co2. Arterial blood gas procedure power point medical specialties. Arterial blood gas sample with allens test duration. By interpreting arterial blood gases test results, doctors can determine the state of the bodys lung and kidney function. Taking an arterial blood gas abg involves using a needle and syringe to directly sample blood from an artery usually the radial artery. Arterial blood bas abg procedure and interpretation slideshare. Arterial blood gas abg interpretation is something many medical students find difficult to grasp weve been there.
An advanced, easytouse blood analyzer that provides healthcare professionals with access to labquality results in minutes for pointofcare testing istat handheld blood analyzer abbott point of care. I need to take a sample of blood from an artery in the wrist to assess the oxygen levels in your. Abg interpretation a guide to understanding abgs geeky. 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. What is an abgwhat is an abg arterial blood gas drawn from artery radial, brachial, femoral it is an invasive procedure caution must be taken with patient anticoagulants. This video demonstrates how to perform arterial blood gas abg sampling in an osce setting. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. It is performed so that an accurate measurement of oxygen and carbon dioxide levels can be obtained, which then allows the patients oxygen to be delivered appropriately. Ppt arterial blood gas analysis powerpoint presentation. Arterial blood gas abg analysis is an important investigation to monitor the acidbase balance of critically ill.
Before the arterial blood gas test, they may apply pressure to the arteries in your wrist for several seconds. The health professional taking a sample of your blood will. Some blood gas analyzers also measure the methemoglobin, carboxyhemoglobin, and hemoglobin levels. These presentations provides a introduction to arterial blood gas procedures, abgs interpretation and 15 practice cases.
If pressure isnt held, you get more bleeding under the skin,swelling and more painbored. Its normal value is 40 mmhg at sea level, while it is 46. Here youll get an excellent overview and a stepwise approach to interpret abg analysis. Arterial and venous blood gas analysis international. If you continue browsing the site, you agree to the use of cookies on this website. Arterial blood gas obtaining an abg may be necessary for patients in a critical condition or with a respiratory disease.
Arterial blood gas abg sampling is a commonly performed procedure which allows healthcare professionals to quickly obtain information on a patients respiratory status blood oxygen and carbon dioxide levels, as well as the patients acidbase balance. After greeting the patientexplaining procedure to him preparing all your toolsdisinfecting puncture site heparinizing the syringe. Interpretation of arterial blood gas analysis seems complicated. Hey cindy, an arterial blood gas is usually drawn in the wrist, where there are a lot of sensitive nerves. View and download powerpoint presentations on arterial blood gas ppt. Amala rajan reader medical nursing dept life is a struggle, not against sin, not against the money power, not against malicious animal. You should not perform this procedure on a patient without.
Arterial blood sampling should only be performed by health workers for whom the procedure is in the legal scope of practice for their position in their country and who have demonstrated proficiency after formal training. Arterial blood gas interpretation felicia ratnaraj internal medicine pgy 3 pm report. Most contraindications are relative and rarely encountered. Weve created this guide, which aims to provide a structured approach to abg interpretation whilst also increasing your understanding of each results relevance. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Standard operating procedure for the measurement of blood gas, electrolytes and haemoglobin derivatives using the roche cobas b221 blood gas analyser contents page 1. Know some of the indications and contraindications for performing an arterial puncture. Find powerpoint presentations and slides using the power of, find free. A procedure called the allen test may be done to ensure that blood flow to your hand is normal. The arterial blood gas line the needle up with the artery, bevel side up. Main buffer system in humans is hco3 in ecf and protein and phosphate buffers in icf. Decide whether to proceed with the test if a contraindication is present on the basis of how urgent the sample is. Arterial blood gas abg sampling oxford medical education. Healthcare personnel should wear gloves and eye protection for the duration of the arterial blood gas abg sampling procedure and should follow hospital policies regarding management of body fluid samples.
The operator should have all the required equipment at the bedside before beginning the procedure. How to take an arterial blood gas abg osce guide geeky. An arterial blood sample is collected from an artery, primarily to determine arterial blood gases. Arterial blood can be obtained from an artery in your wrist, arm, or groin, or preexisting arterial line if you are currently. Sampling for arterial blood gas analysis capillary blood gas sampling for neonatal and pediatric patients resources clinical practice guidelines objectives list the sites used for arterial punctures and state the benefits and hazards associated with each. Arterial blood gas sampling abg osce guide youtube. Arterial blood gases abg cardiovascular osce skills. Arterial blood gas abg sampling international emergency. Correlation of venous blood gas and pulse oximetry with arterial blood gas in the undifferentiated critically ill patient. Arterial blood gas procedure power point free download as powerpoint presentation. The procedure, called the modified allen test, checks that blood flow to your hand is. Procedure arterial puncture page 1 of 5 arterial puncture formulated. Helps differentiate oxygen deficiencies from primary ventilatory deficiencies from primary metabolic acidbase abnormalities.
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