Widmanns clinical interpretation of laboratory tests clinical. 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. But dont worry about the math the lab normally does the calculation, so your doctor will simply tell you what the ratio is. Recognize normal ranges for common laboratory values in adults. Laboratory tests, including urine, saliva and blood tests depending on what is ordered, can provide information about your bodys unique chemistry, including low or high values and those that are in the normal range but still might be affecting your health. Unlike other resources, this book offers a stepbystep approach to lab test interpretation, ideal for learners who are unsure of the next step in the evaluation of an abnormal lab test. What a low number may mean iron, vitamin b12, or folate deficiency.
Interpretation of laboratory results for small animal. The result is dependent on the size, structure, and total number of red blood cells. Education is a powerful tool that can help primary care physicians reassess and examine their laboratory test ordering and. 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. To access the primary resources on this website, you can go to the full listings below. Understanding laboratory tests fact sheet national. Mastering lab interpretation video and book package pesi.
Over the years, our book has been widely used by nurse practitioner programs, including the university of texas, university of massachusetts, and suny. This book provides the veterinary practitioner with an explanation of the meaning of laboratory results biochemical, haematological and urinary in the diagnosis of disorders in small animals. The nurse should always keep in mind that the normal values given in this workbook and in any reference book should be considered only as guidelines of what is normal or abnormal. A complete blood count cbc is usually a part of your yearly physical exam. Interpretation of clinical laboratory data pharmacy. Blood cell count 25oh vitamin d blood lead basic lab work interpretation. Samir desai serves on the faculty of the baylor college of medicine in the department of medicine. An estimated 7 to 10 billion laboratory tests are performed each year in the united states alone. It provides fundamentals of interpreting lab test results not only for pharmacy students, but also for practitioners as an aid in assessing patient drugtreatment responses. Questions will usually include critical lab values and its a matter of identifying if its within normal range or not.
Complete blood count cbc the cbc test examines cellular elements in the blood, including red blood cells, various white blood cells, and platelets. Patient education on blood, urine, and other lab tests. Clinical diagnostic tests is a convenient, quickreference guide to common errors and pitfalls in test selection and result interpretation for practitioners and. The basic physiology underlying each test is described along with an explanation. Each test includes a detailed interpretation section that facilitates diagnosis. Utilize clinical laboratory data to monitor various disease states. Different serologic markers or combinations of markers are used to identify different phases of hbv infection and to determine whether a patient has acute or chronic hbv. This can be the same patients earlier results, if this is possible, or be done by comparing to data from a normal population. A public resource on pathology lab testing from the professionals who do the testing. I know its not a book, but mdezlabs is a great app for the ipodiphone, has every lab test imaginable, plus possible reasons for increasesdecreases. List circumstances that may produce falsenegative or falsepositive laboratory results. A technician or your doctor analyzes the test samples to see if your results fall within the normal range. Tests are grouped according to specimen and function test type e.
What a high number may mean dehydration, renal problems, pulmonary or congenital heart disease. Some foods like avocados, walnuts, and licorice sunburn. Laboratory test result interpretation for primary care doctors in south africa. Learn more about how a cbc is done, what it measures, and what the results mean. Browse the amazon editors picks for the best books of 2019, featuring our. Nclex will not give you values that are within normal range. Arterial blood gases abgs are measured in a laboratory test to determine the extent of compensation by the buffer system. Healthcare providers can test for antibodies to the following ebvassociated antigens. Widmanns clinical interpretation of laboratory tests clinical interpretation of lab tests widmanns subsequent edition by ronald a. Interpretation of a laboratory result requires that the result can be related to a relevant reference value. Interpretation of equine laboratory diagnostics wiley. The word metabolism in this part of your blood work results may bring to mind the number on the scale and maybe dozens of diet books with the words mega and blast shouting in.
It reflects the volume percentage of red blood cells in the whole blood. The lab will examine the sample and provide results of their findings. Desai is also the author of the success on the wards. Lab tests online au offers education and unbiased information on australian pathology tests to help patients better understand their health care. Blood test results your complete guide to understanding.
Laboratory tests interpretation by nurses reasearch publication continuing education 2001 all rights reserved. The use of clinical laboratory test results in diagnostic decision making. The lab values medical reference app is well laid out, user friendly, and contains distilled information relevant to everyday clinical practice. Laboratory results generally assist your doctor in assessing your overall. Blood test results are important in detecting and diagnosing blood disorders in blood tests and a blood test with rare blood types. The lab tests for kidney and liver dysfunction which is useful in diagnosing conditions such as neonatal jaundice, anemia and liver diseases. While mosbys manual of diagnostic and laboratory tests is more textbook than pocket guide, nurse practitioners will find it worthwhile to make. This resource covers the needtoknow aspects of lab tests and diagnoses with a. 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. Interpretation of common laboratory tests the hospital neurology. A plain english approach, second edition this bestselling reference book provides both the need to know information, as well as the more indepth nice to know details relevant to your patients lab results. Hematocrit hct hematocrit is also known as packed cell volume or pcv. The tests use a range because what is normal differs from person to person. Interpretation of hepatitis b serologic test results hepatitis b serologic testing involves measurement of several hepatitis b virus hbvspeci.
I found this book to be extremely handy and helpful. Learn about medical tests, including what the tests are used for, why a doctor may order a test, how a test will feel, and what the results may mean. Medical tests can help detect a condition, determine a diagnosis, plan treatment, check to see if treatment is working, or monitor the condition over time. He is an author and editor, having written twelve books that together have sold over 100,000 copies worldwide. Pdf laboratory test result interpretation for primary. How to read and understand medical laboratory results. Now in its eighth edition, this leading comprehensive manual helps nurses deliver safe, effective, and informed care for patients undergoing diagnostic tests and procedures. Interpretation of equine laboratory diagnostics offers a comprehensive approach to equine laboratory diagnostics, including hematology, clinical chemistry, serology, body fluid analysis, microbiology, clinical parasitology, endocrinology, immunology, and molecular diagnostics. Lots of things can affect certain lab test results, like. Essentially, the complete metabolic panel looks at glucose, kidney function, electrolytes, acidbase balance, proteins and liver function. Identify common causes for abnormal laboratory values. This test measures the volume of nitrogen in the blood. Interpret the clinical significance of abnormal laboratory values.
If you feel that your lab interpretation skills could use a brushup, heres a quick guide to the complete metabolic panel cmp. Teaching medical students basic principles of laboratory. Routine testing or repeated testing of asymptomatic individuals with previously normal test results does not accurately predict which patients will develop. The site is produced by aacc, a global scientific and medical professional.
Enter your lab test results and and get the result right. It enables veterinary surgeons in small animal practice to interpret the results of those laboratory tests that are commonly performed in order to arrive at a diagnosis or prognosis. Free interpretation of the complete blood count cbc with differential, urinalysis ua and other lab tests. The best book is the one have in my pocket, not the one in my locker or at home. Laboratory tests check a sample of your blood, urine, or body tissues. Other tests provide more general information that helps doctors identify or rule out possible health problems. 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 book covers a broad range of laboratory and diagnostic tests and studies that are delivered to varied patient populations in varied settings. We cant stop using these 3 lab interpretation apps. Epsteinbarr mononucleosis laboratory testing mono cdc. To learn more about laboratory medicine in general and gain a greater understanding of how laboratory testing can impact your.
Laboratory testing can help distinguish whether someone is susceptible to ebv infection or has a recent or past infection. In the nclex, some questions supply laboratory results with no indication of the normal lab levels so youll have to familiarize yourself with them. Epsteinbarr virus ebv, also known as human herpesvirus 4, is a gamma herpes virus that occurs only in humans. Interpretation of hepatitis b serologic test results. The interpretation presented are only related to possible functional involvement i have not included interpretation of gross abnormalities related to pathologies. Causes of conditions, signs and symptoms, lab findings, normal values and ranges, and interpretation of results are also addressed. Widmanns clinical interpretation of laboratory tests. At midlevelu, we road tested several lab interpretation apps to determine which are the most useful resources for nurse practitioners. Clinlabnavigator provides a comprehensive resource for healthcare professionals with more than 700 laboratory test interpretations, test utilization guidelines and transfusion guidelines.