A creatine kinasemb ckmb test may be used as a followup test to an elevated creatine kinase ck in order to determine whether the increase is due to heart damage or skeletal muscle damage. As you prepare for your certification exam, you study content and concepts. Interpretation of interlaboratory comparison results to evaluate laboratory proficiency article pdf available in accreditation and quality assurance 1010. Psychological report written by classmate i was very impressed by the psychological test written by the classmate. If so, share your ppt presentation slides online with. The following information is intended as a guide to help the registrar locate the test in the medical record and to identify which lab test results should be coded in the cs sitespecific factors. Confirm results of existing relevant laboratory tests, or recommend that the tests be done. Statistical analysis of data collected when performing laboratory experiments, a certain variation in results will always occur regardless of the care taken in measuring. Ensuring correct diagnostic test interpretation jama. The purpose of this practice test is to prepare students for the naglieri nonverbal ability test nnat so that they will be familiar with the different types of questions that will appear on the test. The overuse of laboratory testing has become a serious risk to the sustainability of the canadian health care system, with estimates suggesting that 10% to 50% of laboratory testing might be unnecessary. Laboratory test result interpretation for primary care doctors in south africa article pdf available march 2017 with 159 reads how we measure reads. How medicare pays for laboratory tests medicare consists of two parts, a and b.
The lowest level is usually the fact oriented or knowledge questions. Nonurgent test may be performed the next day or on the next run of that particular test. Scroll down to read the article or download a printfriendly pdf here. However, in order to be successful, you must apply this information by answering examination questions. A laboratory test is a procedure in which a sample of blood, urine, other bodily fluid, or tissue is examined to get information about a persons health. Lab test interpreter harvard health publishing content. Test significance 1 semi solid is normal watery stool chances of infection 2 brownish colour normal due to diet and drug colour may change 3 putrefactive action of bacteria leads to an odour very foul odour is present in ulceration, malignant lesion is in rectum 4 very small amount of mucous in normal large amount of mucous in dysentery, colitis, amoebiasis 5. No part of this material may be reprinted, reproduced, transmitted, stored in a retrieval. Laboratory and diagnostic test interpretation nurse key.
Starvation, diabetic ketoacidosis, diarrhea, dehydration blood urea nitrogen normally 5normally 520 mgdl20 mgdl collect in tiger top tube. For example, diuretics can alter sodium and potassium levels. Widmanns clinical interpretation of laboratory tests. Interpretation of a laboratory result actually starts with the clinician requesting the right test for the clinical problem heshe is facing. Pdf laboratory test result interpretation for primary. Alternatively, this type of question may be a test of generalizations, principles or theories. Naglieri nonverbal ability test nnat technical report. To make sense of the growing number of diagnostic testing opportunities, one might expect that physicians, in turn, have grown in their ability to accurately interpret. If youre an np who could use some lab selection and interpretation guidance, consider purchasing these written references.
Demonstrate an understanding and ability to apply the concepts of diagnostic sensitivity and specificity of a laboratory test to a specific clinical situation. Liver damage, hemolysis, billary obstruction alkaline phosphatase normally 25normally 25160 iul160 iul. Interpretation of hepatitis b serologic test results hepatitis b serologic testing involves measurement of several hepatitis b virus hbvspeci. Some laboratory tests provide precise and reliable information about specific health problems. With the help of this practice test, students will learn to mark their answers properly and. Serum, the remaining liquid, which can be used in blood tests to assist in determing how various body organs may be functioning when should we actually draw a blood test. It may require recalling a piece of information that has been memorized, so that you instantly recognize the correct answer. Review the principles of laboratory interpretation. To be effective, the test must be performed properly and the results. The guidelines for the use and interpretation of nucleic acid detection tests for. Item analysis concepts are similar for normreferenced and criterionreferenced tests, but they differ in specific, significant ways. Fitzgerald, dnp, fnpbc, npc, faanp, csp, faan, dcc. Barb bancrofts approach to interpreting lab tests is a must hear for nurses in all areas and nurses at all levels. The use of tests in clinical biochemistry interpreting.
Understanding laboratory tests fact sheet national cancer. This is a fairly encyclopedic source for assistance in interpreting many of the routine lab tests found in commonly ordered blood work profiles. Interpretation of clinical laboratory test authorstream. Interpretation of hepatitis b serologic test results. The test is often performed along with other tests, thereby requiring a larger specimen of blood, as from venipuncture. Course prospectus canadian pharmacists association. This guide contains strategies to use for taking tests and a study outline, which includes knowledge categories, major job.
Rel ati ons hp rmcy altered dose in renal failure, liver failure, e. This resource, composed of 10 clinical cases, assesses the users knowledge of interpreting biochemistry tests. A print friendly pdf version is available for download pdf version 49kb. The length of time between taking the blood sample and when the doctor gets the results can vary greatly, from as little as an hour to as much as several weeks.
If the test is requested for exclusion of a diagnosis, then a highly sensitive test is required. The reason for the confirmatory test on urine is that most cmv seropositive mothers shed cmv virus in their breast milk. Part a covers hospital inpatient costs and part b covers most other healthcare services. Interpretation of laboratory tests university of washington. Medicare part a covers hospital inpatients hospitalization costs. Study guide laboratory technician a edison international. Guidelines for the use and interpretation of nucleic acid detection. None of the test scores seemed greatly inaccurate, however i did question that score i received on extraversion from the ipipneo see above section. Advising clinicians on laboratory test selection and results. Hemoglobin in the body is dependent upon amounts of iron. The interpretation of a diagnostic test result depends on both the ability of the test to distinguish diseased from nondiseased subjects and the particular characteristics of the patient and setting in which the test is being used. Tests include ph, specific gravity, protein, glucose, ketones, nitrite. Abnormal test results are fairly common, especially among older adults. Identify the types of laboratory testing in the neonatal intensive care unit.
The remaining sections cover the terminology of diagnostic test interpretation and present a stepbystep approach to evaluating these types of problems. Laboratory test selection and interpretation learning objectives 2014dji the graduating medical student should be able to. Pdf laboratory test result interpretation for primary care. For example, when classifying proficiency test items into known categories by inspection or in determining by inspection whether proficiency test items arise, or do not arise, from the same original source and the classification results are compared objectively, the provisions of this standard that relate to nominal qualitative properties. For a test method to determine the remission behaviour of a specific surface, there could be under certain conditions a reference test body to be applied to a number of test equipment non destructive test. The naglieri nonverbal ability test multilevel form nnat multilevel formis a languagefree test of ability in seven gradebased forms for students in grades k12 ages 517. By using a series of simple questions, harvard healths lab test interpreter module helps you decipher what your results mean.
I may enjoy being social because i have a strong wish to be near and to create meaningful and loving relationships. Thirty common lab tests are covered, including blood glucose, cholesterol, triglycerides, thyroidstimulating hormone, and uric acid. Rina is a multinational group which offers verification, certification, conformity assessment, marine classification, environmental enhancement. Fiftyplus folks tend to take more medications, says lachs, and that can throw off test results. The results of many tumor markers and laboratory tests vary according to the laboratory conducting the test. Though all systematic errors have been avoided, the student will notice that the values obtained will deviate from each other. Making sense of your lab tests can be overwhelming.
Identify situations in which a lab test would be a reasonable step to monitor a patient without causing undue burden on the patient or the health care system. The use of tests in clinical biochemistry interpreting blood. Service provides accurate and timely results using the right tests at the right time, with increased focus on quality and quality systems increased automation and specialisation. Laboratory tests, interpretation, and use of resources.
A cluster of meningococcal disease in western sydney. It is aimed primarily at med students and residents, but others with some general background in human physiology may find it useful. For estimating the amount of nutrients available the first season, we suggest you take 50% of the p, ca and mg figures. The only thing certain about a blood test is that nothing is certain. The medicare program is administered by the center for medicare and medicaid services, commonly called cms. Successful completion of the resource provides 1 hour of cpd delivered by learna ltd, an educational partner of the university of south. It uses this information to improve item and test quality. The normal smell of urine can be described as urinoid. Different serologic markers or combinations of markers are used to identify different phases of hbv. Pdf interpretation of interlaboratory comparison results. Discuss the purpose of laboratory testing and diagnostics. Objectives of statistical hypothesis tests significance tests, the meaning of the outcomes from such tests, and how to interpret a pvalue.
Data analysis, interpretation, and presentation pcori. Note 2for control testing, where rapid results are desired, it is not necessary to dry. Widmanns bridges the relevant physiology and pathophysiology over to the clinical tests. Identify drugs that could be contributing to abnormal lab results. An optional test can be performed to determine the official amount of available p. No part of this material may be reprinted, reproduced, transmitted, stored in a retrieval system, or otherwise utilized, in any form or by any means electronic or. Improved interpretation of laboratory tests south gp cme 2014 16th august 2014 prof ian morison dr geoff smith southern community laboratories, dunedin. A lack of available iron causes one type of anemia, due to the reduced production of hemoglobin. On the other hand it will not be possible, to produce a suitable reference material for tensile tests. I still think that i am above average on extraversion. Impact is intended for use as a computerbased neurocognitive test battery to aid in the assessment and management of concussion. Interpretation of clinical laboratory tests date serum liquid component disolved components, drugs, electrolytes, gases, etc. Impact is a neurocognitive test battery that provides healthcare professionals with objective measure of neurocognitive functioning as an assessment aid and in the management of concussion in individuals ages 1259.
You will leave the seminar with a number of practical pearls that can be applied to your patients in the hospital, in the primary care facility, or in the icu. With powerful norms based on a sample of more than 100,000 students, nnat is a reliable, culturefair measure of ability for evaluating. Chapter laboratory and diagnostic test interpretation diane m. Today, physicians order a wide array of diagnostic laboratory and imaging tests for their patients, including genetic evaluations. This standard provides recommendations on the interpretation of. Standardization of laboratory tests how to do it greg miller, phd virginia commonwealth university medical center richmond, virginia, usa greg. Case 2 in case 2, the father must give an 18 as the child and the mother share a 15. Advising clinicians on laboratory test selection and results interpretation with a diagnostic management team michael laposata, md, phd edward and nancy fody professor of pathology vanderbilt university school of medicine pathologist in chief, vanderbilt university hospital. Learning the basic concepts will help you make better decisions about test ordering and interpretation even if you dont go through the math each time. Disease is frequently caused by, or associated with, changes in the complex biochemistry of the body, and an understanding of these changes is essential to the diagnosis and treatment of patients. Clinical biochemistry deals with the detection and measurement of the chemical constituents of body. With that said, there is a tremendous amount of data that can be extracted from a blood test, providing that one has an understanding of how to interpret it. The test is most likely to be ordered if a person has chest pain or if a persons diagnosis is unclear, such as if a person has nonspecific symptoms like shortness of breath, extreme fatigue, dizziness.
For coarse materials major portion retained on the no. No part of this material may be reprinted, reproduced, transmitted, stored in a retrieval system, or otherwise utilized, in any form or by any means electronic or mechanical, including photocopying or. This test as well as others suggest that i may not just enjoy being social for the sake of being social. Low levels are expected for potting or seedling mix composts how to do it greg miller, phd virginia commonwealth university medical center richmond, virginia, usa greg. The new edition of widmanns clinical interpretation of laboratory tests will update the student and practitioner on the newest laboratory tests and the efficacy of those tests that have been in use in this decade. Ultimately, i use blood test results to identify a persons best nutritional course of action so that they can start feeling better immediately. Determine if lab values are within a reference range. Interpretation of laboratory tests is the property of its rightful owner. Atp test results how we measure atp luminultra quenchgone21 wastewater test kit and photomaster luminometer.
With criterionreferenced tests, use normreferenced statistics for. Laboratory tests interpretation by nurses reasearch publication continuing education 2001 all rights reserved. To aid diagnosis to monitor progress to determine correct dosage 2. Clinical biochemistry is a complex and wideranging field with a vast array of tests available to users. Thirty common lab tests are covered, including blood glucose, cholesterol, triglycerides, thyroid. Laboratory test selection and interpretation learning. The interpretation of clinical laboratory test results michael schaer, dvm, diplomate acvim, acvecc university of florida, college of veterinary medicine with the advent of modern medical technology, the availability of hematological and serum biochemical data to the veterinary practitioner has become commonplace. Father b has a and a 21 that is father b does not have a copy of 18, and therefore is a mismatch. With powerful norms based on a sample of more than 100,000 students, nnat is a. Widmanns isnt just page after page of lab tests with normal and abnormal valuesi recommend wallachs for that.
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