Arterial blood gas case questions and answers family medicine. Blood is drawn anaerobically from a peripheral artery radial, brachial, femoral, or dorsalis pedis via a single percutaneous needle puncture. Arterial blood gas analysis measures oxygen and carbon dioxide levels in the blood. These presentations provides a introduction to arterial blood gas procedures, abgs interpretation and. These examples provide good practice in the application of the rules. Arterial blood gas case questions and answers in the space that follows you will find a series of cases that include arterial blood gases. Interpretation of the arterial blood gas selflearning packet. The proband is a 52yearold man with a 2year history of progressive symptoms including gait disturbance, hyperreflexia, muscle weakness, skeletal muscle atrophy, spasticity, and upper motor neuron dysfunction consistent with amyotrophic lateral sclerosis als. Everyone can read an electrolyte level, but when faced with a list of abgs, most nurses wilt.
These presentations provides a introduction to arterial blood gas procedures, abgs interpretation and 15 practice cases. Acidbase balance abg analysis nclex exam 1 10 questions. Pdf arterial blood gas is an important routine investigation to monitor the acid base balance of patients. Trends in lactate concentrations are useful in guiding response to treatment. Continuous regular abg monitoring and recording for trends. Here is a series of clinical cases involving patients and arterial blood gases. Pte read aloud practice with answer script real exam question 2019 benifits of health insurance duration.
You are called to evaluate an infant on the wards with increased respiratory. He has a history of chronic bronchitis and heart failure. When the ph is normal, it will be fully compensated. Assume abg at end of surgery with doublelumen et tube and bilateral ventilation shows pa0 2 65, pac0 2 58, ph 7. A 68 yo woman with known copd, on home oxygen, presents a little drowsy. In severe cases, iv administration of acids may be used. Abg quick interpretation parameter acidosis normal alkalosis reflects ph 7. The central importance of the history and your clinical knowledge of the patient in assessment is emphasised. Interpretation of arterial blood gases is an essence of critical care. Abg examples abg exam questions for medical students and. You are dispatched to a home for a 10yearold child with difficulty breathing 10 to 15 minutes after eating.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. Arterial blood gas cases clinical respiratory diseases. Here are a series of cases that include arterial blood gases. In some cases, an enlarged history and serial results are provided. Abg interpretation is especially important in critically ill patients. Interpreting an arterial blood gas abg is a crucial skill for physicians, nurses, respiratory.
In these cases a healthy renal or respiratory system can partially or completely offset the ill effects of a fluctuating ph. University of connecticut acidbase online tutorial. Mixed disorders not uncommon in icu practice makes you perfect abg 20. The patient is a 35 year old female with aids brought to the emergency room with a fever of 39 o c and a three month history of copious diarrhea on physical exam the patient is a welldeveloped, thin female in moderate distress. Interpreting abgs arterial blood gases made easy ausmed. Lauder is a thin, elderlylooking 61 yearold copd patient. She has an abg done as part of her routine care in the pulmonary clinic. Arterial blood gasses, or abgs, may be among the most complex and confusing parts of nursing practice.
Fortunately, there are some easy ways to remember how to decipher these important lab results. Respiratory core case 1 upper airway obstruction peanut allergy scenario leadin prehospital. Read online abg interpretation practice case studies with answers book pdf free download link book now. An arterial blood gas, or abg for short, is a test that measures the blood levels of oxygen pao2, carbon dioxide paco2, and acidbase balance ph in the body. Unfortunately, despite treatment with antiemetics, he. Now, answer these questions and see how many you can hit right. Nurses often have difficulty interpreting arterial blood gases abgs. You are called to see a 54 year old lady on the ward. In addition, you will be tested on if the disorder is partially compensated or uncompensated based on the lab values.
Each case is then followed by an explanation of the acidbase status, the oxygenation status and a summary of the patients clinical picture. Abg examples abg exam questions for medical students and paces. The following are examples of clinical situations and the abgs that may result, as well as causes and solutions for abg abnormalities. You are dispatched to the home of an 8monthold infant with trouble breathing. This site contains information on acidbase physiology, common acidbase abnormalities, cases. The explanations of the acidbase status utilize the 5step approach to interpreting acidbase status that is laid out in the arterial blood gas. Identify various myocardial infarct 12lead patterns. This abg practice quiz has 10 questions that will test your knowledge about metabolic and respiratory disorders. She reports to the ed in the early morning with shortness of breath. Pdf arterial blood gas is an important routine investigation to monitor the acidbase balance of patients. Practice usually caused by inadequate organ perfusion. We have created three arterial blood gas analysis slidesets. Preventing medicationrelated errors must be at the front of every nurses mind with every medication administered. Try to interpret each abg and formulate a differential diagnosis before looking at the answer.
Its a test that is used to assess how well oxygen is being distributed throughout the body and how well carbon dioxide is being removed. You are working in the ed and are asked to examine a 10yearold child with difficulty breathing 10 to 15 minutes after eating. Additionally, an abnormality of the cerebral white matter was seen on mri. Aarc clinical practice guideline sampling for arterial blood gas analysis abs 1. Each scenario is broken down using a structured approach. Arterial blood gas subinternship in critical care medicine. Each case is followed by an explanation of the acidbase status, the oxygenation status and a summary of the patients clinical picture. Bicarbonate 16 and case calculated aig 14 normal aag 10. Pdf blood gas analysis for bedside diagnosis researchgate. Interpreting an arterial blood gas abg is a crucial skill for physicians, nurses, respiratory therapists, and other health care personnel. T wave memory, preexcitation, wolffparkinsonwhite, wpw, ecg quiz library 1. Puffer is a 35yearold single mother, just getting off the night shift.
Practice rational testing interpreting arterial blood gas. Case acid base disorders loyola university chicago. Pdf arterial blood gases abg results reflect underlying pathology and interpretation of the results are often. Many of these cases are from our own unit but some are based on published cases. In the space that follows you will find a series of cases that include arterial blood gases.
Pdf version of a society for critical care medicine sccm lecture on arterial blood gas analysis opens in a new window. If decide to ventilate in icu will you change et tube. Print primer 237k pdf uwnet id required clinical cases in arterial blood gas analysis. Apr 24, 2020 download abg interpretation practice case studies with answers book pdf free download link or read online here in pdf. Interactive medical education from adam weinberger start learning. Arterial blood gas case questions in the space that follows you will find a series of cases that include arterial blood gases. Abg examples abg exam questions for medical students osces and mrcp paces below are some brief clinical scenarios with abg results. Arterial blood gases abg results reflect underlying pathology and interpretation of the results are often compounded by ongoing disease processes and clinical interventions.
All books are in clear copy here, and all files are secure so dont worry about it. Sah, stemi, subarachnoid haemorrhage, inferior stemi with lead reversal with sah. Abg analysis can also determine blood acidity ph level. Linkpage citation case study 1 illustration omitted mr. Lactate, urinary ketones, salicylate level, aldosterone level, various tests for renal tubular. Abg interpretation practice case studies with answers. Download fulltext pdf download fulltext pdf abcs of abgs. For each case, you should describe the acidbase status of the patient eg. Abg interpretation practice case studies with answers pdf. A collection of 10 arterial blood gas abg interpretation scenarios to put your knowledge to the test.
Case 4 man with hodgkins disease a 52yearold man with hodgkins disease is treated with abvd1, a combination chemotherapy regimen. A guide to interpreting acidbase disorders article pdf available in hospital pharmacy 4310. Depending on severity of hco3levels and ph possible sodium bicarbonate infusion this is controversial however. When one thinks of abg analysis, oxygenation may come to mind first. Medication errors are a major concern for every nurse and represent the most frequent malpractice claims against hospitals and nurses. Health care industry health, general medical practice analysis practice physicians. Go to cases the answers are available via a link at the bottom of each case. Body will not overcompensate when it comes to acidbase balance so. Dec 21, 2019 pte read aloud practice with answer script real exam question 2019 benifits of health insurance duration.
Without knowing them, your patient could easily go. In order to easily solve arterial blood gas problems, the tic tac toe method is the best way for doing this. It is significant to note that metabolic alkalosis in hospitalized patients is usually iatrogenic in nature. An arterial blood gas abg is a blood test that is used to measure a few vital things is the body, such as the levels of oxygen o2, carbon dioxide co2, acid, or ph from an artery. However, the more complicated and in some ways more important part of abg analysis is ph regulation. Top 100 ecg litfl clinical cases ekg electrocardiography. This test is used to check the function of the lungs, and how well they are able to move oxygen into the blood and eliminate carbon dioxide. Wellens syndrome, deep anterolateral twave inversion, critical lad stenosis. We use a clinical scenario discuss various acidbase disturbances from a clinical standpoint.
Interpretation of arterial blood gases abgs david a. Dont take an unwell patient off their oxygen to obtain the abg sample i. Possible dialysis to remove excess lactate, manipulation of ventilation settings to adjust co2 levels, but always maintaining tissue perfusion. Access free abg interpretation practice case studies with answers abg interpretation practice case studies with answers as recognized, adventure as skillfully as experience very nearly lesson, amusement, as skillfully as union can be gotten by just checking out a ebook. The following should be monitored as part of arterial blood sampling. You are encouraged to try and answer the questions in the cases on your own before viewing the. Download abg interpretation practice case studies with answers book pdf free download link or read online here in pdf. M is a 65 year old male admitted with a decreased loc. The following sixstep process helps ensure a complete interpretation of every abg.
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