Tube agglutination tests. Medical search. Frequent questions

CDC utilizes a test called the Brucella microagglutination test (BMAT), a modified version of the serum (tube) agglutination test (SAT), that can detect antibodies to Brucella species - abortus , melitensis or suis . (cdc.gov)
CDC recommends that Brucella serology testing only be performed using tests approved by the Food and Drug Administration (FDA), or validated under the Clinical Laboratory Improvement Amendments (CLIA) and shown to reliably detect the presence of Brucella antibodies. (cdc.gov)
From January 2002 to August 2015, 62 patients with Brucella-associated spondylitis were treated with comprehensive diagnosis based on epidemiological history, clinical manifestations, imaging findings, laboratory tests, and local biopsy. (scirp.org)
Detection of antibodies to Brucella abortus and Brucella suis, the causative agents of brucellosis, by card agglutination. (tamu.edu)
Despite being endemic, of neurobrucellosis was established help early diagnosis of neurobrucellosis brucel osis remains under-diagnosed by positive testing for serum brucella and differentiation from other central and under-reported in Turkey [2]. (who.int)
As brucella en- Coombs test was negative in 17.6% emphasized that was because of the zyme immunoassays are more sensi- of the patients [18]. (who.int)
However, in a study of 17 all negative and the final diagnosis of losis as our case did, a high index of cases of neurobrucellosis, serum SAT neurobrucellosis was established by suspicion for brucellosis is required in was negative in 23.5% of the patients positive testing for serum brucella IgM. (who.int)
To diagnose brucellosis in dogs, a blood sample is typically collected and tested for the presence of antibodies that combat Brucella canis, the bacterium responsible for the disease. (shinbroadband.com)
What is the recommended blood test for detecting Brucella canis, a bacterial infection in dogs? (shinbroadband.com)
To diagnose Brucella canis, it is crucial to undergo serological testing, which should be conducted exclusively by the APHA laboratory. (shinbroadband.com)
We require serological testing for Brucella canis to be performed by the APHA laboratory. (shinbroadband.com)

Results of brucellosis Rose Bengal plate test, tube agglutination test and complement-fixation test on 824 bovine sera which collected from the whole island in 1979 to 1980 were compared. (gov.tw)
Prevention of canine brucellosis is done by testing before entry and breeding. (msdvetmanual.com)
1], Turkey has was considered late, clinically-based agnosis of neurobrucellosis could have not been able to eradicate brucellosis, and supplemented by only one in- be made earlier and conclusively in which remains a major public health conclusive positive laboratory test. (who.int)
diagnosis of any clinical presentation Surprisingly, other laboratory tests from cerebrospinal fluid (CSF) and/ in areas endemic with brucellosis and, included in the diagnostic algorithm or CSF STA test 1/40, lymphocytic therefore, suitable laboratory tests of brucellosis were negative, notably pleocytosis, increased protein in CSF should be done to confirm diagnosis. (who.int)
What Is The Blood Test For Brucellosis In Dogs? (shinbroadband.com)
Learn more about the topic How do I test my dog for brucellosis. (shinbroadband.com)
Diagnosis and treatment of brucellosis requires laboratory tests. (ophrp.org)

Antibodies reacting against S-LPS can also be detected by other tests, such as ELISA (enzyme-linked immunosorbent assay) and the Coombs test. (cdc.gov)
It is important to note that the Coombs test remains positive longer than other agglutination tests. (cdc.gov)
The direct antiglobulin test is sometimes colloquially referred to as the direct Coombs test, because it is based on a test developed by Coombs, Mourant, and Race. (medscape.com)
By way of comparison, the indirect antiglobulin test (IAT), colloquially referred to as the indirect Coombs test, is used to determine the presence of antibody in the serum or plasma. (medscape.com)
AHG (indirect antiglobulin test [IAT], indirect Coombs): The tubes are washed 3-4 times with saline to remove any unbound globulins, and AHG is added to each tube. (medscape.com)
Usually, and serum Coombs test was negative Recently, Kesav et al. (who.int)
SAT) is used for a first screening and cerebrospinal fluid SAT was nega- in the absence of facilities of CSF bru- complement fixation or Coombs test tive in 23.5% of the patients and the cella agglutinin estimation and they will confirm its results. (who.int)
In cases hav- tests, they may replace them step by cella Coombs test of the patient were ing protean symptoms of neurobrucel- step [17]. (who.int)
Coombs' Indirect test will detect free antibodies in the serum. (labpedia.net)
What is the significance of the Coombs' test in pregnant mothers? (labpedia.net)
Positive indirect Coombs' test indicates sensitization of the mother by a previous Rh-positive fetus. (labpedia.net)
What is a type of antibodies in the Coombs' indirect test? (labpedia.net)
If agglutination occurs after addition of anti-human globulin (sometimes referred to as Coombs reagent), then it is a sign of antibody coating over the cells in vivo. (newhealthadvisor.org)
The direct antiglobulin (direct Coombs) test establishes the diagnosis and may suggest the cause. (msdmanuals.com)

There is no serological test available to detect antibodies to B. canis . (cdc.gov)
The serum (tube) agglutination test (SAT) detects antibodies to the S-LPS. (cdc.gov)
The patient's developing antibodies will coat transfused RBCs bearing the corresponding antigen, resulting in a positive direct antiglobulin test result. (medscape.com)
The antibody screening test performed in a clinical laboratory and/or blood bank is designed to detect the presence of unexpected antibodies, especially alloantibodies in the serum to antigens of the non-ABO blood group system: Duffy, Kell, Kidd, MNS, P, and certain Rh types that are considered clinically significant. (medscape.com)
After immediate spin, the tubes are incubated at 37°C. To promote the detection of warm reactive antibodies, especially of the IgG class, additional enhancement techniques such as low ionic strength saline (LISS) and polyethylene glycol (PEG) are often used. (medscape.com)
The AHG detects bound RBC antibodies that do not produce direct agglutination (sensitizing antibody). (medscape.com)
Cold agglutinin disease is an agglutination disorder characterized by a high concentration of cold sensitive antibodies circulating in the blood stream of the body. (differencebetween.net)
Firstly, a screening test is conducted to detect antibodies, and if the initial screening shows positive results, a confirmatory test is administered. (shinbroadband.com)
If a dog tests positive for the antibodies on a screening test, another test is done to confirm. (shinbroadband.com)
The major purpose of this test is to detect if the recipient or the patient has serum antibodies other than the ABO / Rh system to RBC before receiving the blood transfusion. (labpedia.net)
When your doctor is not sure if the antibodies are attached to your RBCs, direct antiglobulin test can help in such situation. (newhealthadvisor.org)
Common scenarios where your doctor may recommend direct antiglobulin test include: post-transfusion indications of hemolytic anemia and sometimes diagnosing newborns if the mother has developed antibodies against fetal RBCs and passed it on to the baby during intrauterine life. (newhealthadvisor.org)
Direct antiglobulin test helps to detect the vivo antibody coating of your red blood cells (the antibodies could be IgG or compliment or both). (newhealthadvisor.org)
It is imperative to mention that both IgG and IgM antibodies can be detected by using this test. (newhealthadvisor.org)
Syphilis tests screen for and diagnose syphilis by looking for certain antibodies in your blood. (medlineplus.gov)
In most cases, the first step is a screening test to check for antibodies that are linked to having a syphilis infection. (medlineplus.gov)
If the result of your screening test shows you have antibodies linked to syphilis infections, you'll need a second test to confirm whether or not you have syphilis. (medlineplus.gov)
Usually, the second test looks for antibodies that your immune system makes only to fight off syphilis. (medlineplus.gov)
In some cases, a health care provider will use a test that looks for actual syphilis bacteria, instead of antibodies. (medlineplus.gov)
These tests are used to detect immunoglobulin G (IgG) and immunoglobulin M (IgM) antibodies against a cardiolipin-lecithin-cholesterol antigen, which are formed indirectly during infection with T pallidum . (medscape.com)
Because these antibodies are not specific for T pallidum , false-positive results on nontreponemal tests are frequently encountered in numerous physiologic and pathologic conditions (see Interpretation). (medscape.com)

Other authors have proposed recourse to serology using higher cut-offs of the CATT test to increase specificity (referred to as CATT titration, in contrast with CATT whole blood, which is the test used in the first screening step) as part of the algorithm for use in screening, or as a test to decide whether to treat. (cdc.gov)
Offering a large portfolio of diagnostic kits, laboratory instrumentation and services, our product range has expanded over the years to include a comprehensive range of EIA, single test devices, serology products, molecular assays and instrumentation. (launchdiagnostics.com)

In addition to bacterial isolation, serological tests can be performed. (cdc.gov)
2017) Serological diagnosis of EBV infection: Comparison of two serological tests. (vircell.com)
The serum samples were subjected to three serological tests that were employed in this study, namely RBPT (Rose Bengal Plate Test), STAT (Standard Tube Agglutination Test), and I-ELISA. (johb.info)

The antibody screening test, as part of pretransfusion compatibility testing (see Special Considerations ), along with the type and crossmatch, prevents transfusion reactions such as hemolysis from occurring. (medscape.com)
The tubes are then spun for 15 seconds at room temperature to facilitate antigen-antibody interaction. (medscape.com)
The presence of agglutination with the addition of AHG indicates antibody binding to a specific red cell antigen. (medscape.com)
Serologic testing is readily available and diagnostic once significant antibody titres develop, at greater than 8 weeks post-infection. (dvm360.com)
If the polyspecific reagent shows positive results, specific tests with anti-IgG anti-C3 reagents will be needed to identify the cell coating, whether it is antibody or complement or both. (newhealthadvisor.org)
Serum tests for both IgG and IgM antibody to toxoplasmosis will be added to the NHANES 2001 laboratory protocol to obtain the most accurate information available about the prevalence of toxoplasmosis in the U.S. and determine if the rates are changing over time. (cdc.gov)

Although the serum tube agglutination test (SAT) is the standardized gold method, it is laborious, time consuming, and requires a number of reagents. (ophrp.org)

A microagglutination test (MAT) variant of the SAT or enzyme-linked immunosorbent assay (ELISA) is recommended for serological diagnoses. (ophrp.org)

Depending on the technique and the reagents used, a positive direct antiglobulin test has been reported in 1:1000 to 1:14,000 blood donors and 1%-15% of hospital patients. (medscape.com)
The reagents will cause direct agglutination (clumping) of test red cells that carry the corresponding ABO antigen. (networkin.info)
Positive and negative controls must be used to monitor the effectiveness of test procedures that use special stains or reagents, tests with endpoints such as agglutination, color change, or other non-numeric results. (who.int)

reported a case of the standard tube agglutination test in 11.7% of the patients. (who.int)

This two-stage amplification closed-tube diagnostic assay was used to test SARS-CoV-2 samples with significantly enhanced sensitivity compared to conventional RT-PCR with dynamic range of at least seven orders of magnitude (2 × 10 −4 -2000 TCID 50 /reaction) for RNA from SARS infected cells and below 10 copies per reaction for DNA plasmid as positive standards [ 1 ] . (encyclopedia.pub)
Other alternative methods include culture, immune-based methods such as enzyme-linked immunosorbent assay -ELISA and direct agglutination test. (infectiousjournal.com)
the extracts were tested with the SSU PCR assay (18s rRNA). (infectiousjournal.com)
None of the 50 donors' DNA showed a positive test result with SSU PCR assay. (infectiousjournal.com)
The performance of the cELISA and the tube agglutination test (TAT) assay was compared with respect to sensitivity and specificity, by testing a panel containing 660 S . Abortusequi-positive and 515 S . Abortusequi-negative serum samples, all of which had been characterized by Western blotting. (caas.cn)

Laboratory tests showed that over time, the SAT titer, CRP turnover rate, and RBPT negative rate in group B were significantly better than those in group A, indicating that treatment in group B could reduce SAT titer, CRP, and negative RBPT earlier. (scirp.org)
Successful treatment is associated with a 4-fold or two-tube decline in titer (ie, from 1:32 to 1:8) 6 months after therapy for primary or secondary syphilis and 1 year after therapy for latent syphilis. (medscape.com)
Therefore, test results for semi-quantitative tests may be shown as "trace amount", "1+, 2+, or 3+", or positive at 1:160 (titer or dilution). (who.int)

2018) Valoración de un nuevo ensayo quimioluminiscente en comparación con ELISA en la detección de IgG contra el virus de la hepatitis E. Revista de la Sociedad Andaluza de Microbiología y Parasitología Clínica. (vircell.com)
2017) Comparison of ELISA IgM and IgG test kits in the diagnosis of measles. (vircell.com)
Other tests, such as immunofluorescence and ELISA, have been used sometimes. (msdvetmanual.com)

The direct antiglobulin test is used most commonly to investigate possible hemolytic transfusion reactions , hemolytic disease of the fetus and newborn (HDFN), autoimmune hemolytic anemia, and drug-induced immune hemolysis. (medscape.com)
Drugs may cause a positive direct antiglobulin test result and/or immune-mediated hemolysis, with an incidence of approximately 1 in 1 million. (medscape.com)
Resuspension of the pellet allows for observation of agglutination or hemolysis. (medscape.com)
This may result in a positive direct antiglobulin test result, immune hemolysis, or both. (medscape.com)
Observe for agglutination or hemolysis. (labpedia.net)

Control is based on elimination or isolation of infected dogs identified by positive cultural or serologic tests at monthly intervals. (msdvetmanual.com)
Serologic tests for coccidioidomycosis measure titers of immunoglobulin M (IgM) or immunoglobulin G (IgG). (medscape.com)
Syphilis detection tests are serologic tests used to screen for and confirm infection with Treponema pallidum . (medscape.com)
Serologic tests are available to determine who has become infected with toxoplasmosis. (cdc.gov)

The direct antiglobulin test (DAT) is used to determine whether red blood cells (RBCs) have been coated in vivo with immunoglobulin, complement, or both. (medscape.com)
A schematic of the direct antiglobulin test (DAT) and the indirect antiglobulin test (IAT). (medscape.com)
There are many causes of a positive direct antiglobulin test. (medscape.com)
Most blood donors with positive direct antiglobulin test results appear healthy, and most show no overt signs of hemolytic anemia . (medscape.com)
It is important to remember that a positive direct antiglobulin test is neither 100% sensitive nor specific for hemolytic anemia. (medscape.com)
The clinical significance of a direct antiglobulin test result should take into consideration the patient's clinical history, diagnoses, and other laboratory test results. (medscape.com)
A positive direct antiglobulin test result may be the first indication of an immune response to a recent transfusion. (medscape.com)
Maternal alloantibodies bind to the corresponding antigen on fetal RBCs, resulting in a positive direct antiglobulin test result. (medscape.com)
Three patterns of reactivity may be found on a direct antiglobulin test: IgG alone, complement alone, or both. (medscape.com)
Additionally, the standard direct antiglobulin test will not detect IgM coating of RBCs. (medscape.com)
As such, complement alone is commonly detected on the direct antiglobulin test. (medscape.com)
In a patient with mixed-type autoimmune hemolytic anemia, the direct antiglobulin test commonly detects both IgG and C3. (medscape.com)
Thus, the direct antiglobulin test is typically positive only for complement. (medscape.com)
Antiglobulin test, also referred to as Coomb's test, is a frequently employed diagnostic tool that is used for the detection of immunohematological and immunological disorders. (newhealthadvisor.org)
Based on the technique and objectives, there are two varieties of antiglobulin tests: the direct antiglobulin test (DAT)/direct Coomb's test (DCT), and the indirect antiglobulin test (IAT). (newhealthadvisor.org)
It is imperative to mention that direct antiglobulin test is used to detect a special type of anemia that is caused by abnormal functioning of immune system. (newhealthadvisor.org)
When Do You Need to Take a Direct Antiglobulin Test? (newhealthadvisor.org)
How Is the Direct Antiglobulin Test Performed? (newhealthadvisor.org)

Nontreponemal tests include the Venereal Disease Research Laboratory (VDRL) test and the rapid plasma reagin (RPR) test. (medscape.com)

The evaluation indicators were pain scores, activity of daily living (ADL), imaging findings, and laboratory tests. (scirp.org)
General laboratory tests include a complete blood count (CBC) and erythrocyte sedimentation rate (ESR). (medscape.com)
Hematological profiles are completed for all participants, and specified laboratory tests are performed upon each specimen based on the participant's age at time of interview and sex. (cdc.gov)

Contamination by 5% or 10% glucose in water but not glucose in saline from intravenous tubing. (labpedia.net)
Wash the RBCs with saline, and then tilt the tube upside down to decant the saline. (newhealthadvisor.org)
Then clear the bottoms of the tubes with the left saline, and repeat this for 3 to 4 times. (newhealthadvisor.org)

Two groups of patients with undiagnosed hemolytic anemia and negative conventional tube method-DAT (TM-DAT) were investigated using anti-IgA and anti-IgM sera, or column agglutination method-DAT (CM-DAT), respectively, in addition to radioimmunological quantitation of RBC-bound IgG. (karger.com)
Sugano N, Obata T, Onozaki F, et al: Hemagglutination reaction by column agglutination: comparison of the conventional tube, bead and gel techniques. (karger.com)
Discuss how different test methodologies, including tube, column agglutination, and solid phase, produce varying results with regard to discrepant ABO types. (labce.com)

The control of Trypanosoma brucei gambiense human African trypanosomiasis (HAT) is compromised by low sensitivity of the routinely used parasitologic confirmation tests. (cdc.gov)
Several authors have reported on the low sensitivity levels of HAT confirmation tests ( 3 , 4 ). (cdc.gov)
The relative sensitivity and the relative specificity of Rose Bengal plate test were 98.6% and 93.2% respectively when compared with complement-fixation test. (gov.tw)
The relative sensitivity and the relative specificity of tube agglutination test were 97.2% and 93.5% respectively when compared with cmplement-fixation test. (gov.tw)
Repeat testing following a negative result improves sensitivity. (medscape.com)

Diagnosis requires isolation of the organism in culture, identification on histologic specimens, or serologic testing. (medscape.com)
In our case, the need for early diagnosis and treatment tive and specific than other serological serum rose Bengal test, SAT and bru- of neurobrucellosis [19]. (who.int)
Diagnosis is based on history of exposure, abnormalities on laboratory testing (which may include measurement of serum zinc concentration), and identification of a suspicious object on abdominal radiographs in small animals. (merckvetmanual.com)
This dual-testing approach is essential to ensure accurate and reliable diagnosis. (shinbroadband.com)
It's important to note that PCR testing is discouraged due to its tendency to yield false negative results, making the SAT and RSA tests the preferred choice for accurate diagnosis. (shinbroadband.com)

In this study immunochromatography, microscopic agglutination test and polymerase chain reaction were used to diagnose leptospirosis. (scielo.br)
A variety of NAA techniques have been incorporated into well-known clinical diagnostic tests, such as polymerase chain reaction (PCR), real-time PCR, and reverse transcription-mediated isothermal amplification (RT-LAMP). (encyclopedia.pub)
Instead of two-step RT-PCR that separately conducts RNA reverse transcription and amplification steps, reverse transcriptase and DNA polymerase enzymes were premixed in a single tube that allows both steps to be performed in single reaction. (encyclopedia.pub)

The specificity of the card agglutination test for trypanosomiasis (CATT) used in screening is not 100% accurate, so HAT control programs use a variable sequence of parasitologic tests as confirmation tests. (cdc.gov)

Combined treponemal and nontreponemal rapid diagnostic test for yaws. (ajtmh.org)
The screening tests commonly used for this purpose include the Rapid Slide Agglutination Test (RSAT) and the Tube Agglutination Test (TAT). (shinbroadband.com)
The most reliable approach involves combining two specific tests: the Standard Agglutination Test (SAT) and the Rapid Slide Agglutination Test (RSA), both requiring 2ml of serum. (shinbroadband.com)
The most common blood test is called a rapid slide agglutination test or RSAT , and it can detect infections after three to four weeks. (shinbroadband.com)
Hence, simple, rapid, cost-effective, and accessible detection techniques as POC diagnostics for large-scale screening and field testing of SARS-CoV-2 infection is important and should urgently be expedited to control the rapid and contagious spread of COVID-19. (encyclopedia.pub)
The aim of one-step quantitative RT-PCR is the rapid detection of SARS-CoV-2 in human samples (75 min), which is highly acceptable in clinical tests, however, it is more cost-effective, and required a robust manner in laboratories in different geographical regions. (encyclopedia.pub)
Rapid plasma reagin (RPR) , which is a blood test. (medlineplus.gov)

CE marked 3-tube multiplex real-time PCR for the detection of Chlamydia trachomatis, Ureaplasma urealyticum, Ureaplasma parvum, Mycoplasma hominis, Neisseria gonorrhea, Trichomonas. (launchdiagnostics.com)
2020) Comparison of the performance of two Galactomannan (GLM) detection tests: Platelia Galactomannan (Bio-Rad) and Galactomannan Virclia (Vircell). (vircell.com)

Results from these tests should be considered supportive evidence for recent infection only and interpreted in the context of a clinically compatible illness and exposure history. (cdc.gov)
Blood culture is the most accurate test available in the first 8 weeks post-infection. (dvm360.com)
Finally, agglutination shows past or present exposure of a patient's blood to pathogen infection or finding new bacterial cells. (differencebetween.net)
This test can diagnose other agglutinins, like cold agglutinins, which are usually associated with Mycoplasmal infection. (labpedia.net)
Syphilis tests can help diagnose the infection in the early stages, when it's easiest to cure. (medlineplus.gov)

What are syphilis tests? (medlineplus.gov)
Syphilis tests are used to screen for and diagnose syphilis . (medlineplus.gov)

Of the 384 isolates tested, 41 (10.7%) were resistant against colistin by BMD and CBDE testing. (johb.info)
The ribotype patterns of 22 selected isolates tested were highly similar, indicating genetic relatedness. (who.int)

The decision to test for systemic disease depends on the clinical presentation of the patient and geographic location of the tick bite. (jcadonline.com)
However, participation in such PT programmes assists improves test performance and result accuracy.Objective: This study assessed how well 11 government hospital laboratories performed 18 basic clinical chemistry tests and identified areas needing improvement.Methods: A cross-sectional study was carried out by the Division of Laboratories of the Ministry of Health of Togo from 01 July 2016 to 31 December 2016. (bvsalud.org)
The Clinical Laboratory Improvement Amendments criteria were used in evaluating the laboratories, and their success rates were compared with the World Health Organization Regional Office for Africa's target of 80%.Results: The overall rate of acceptable results at the laboratories was over 80% for glucose, alanine aminotransferase, aspartate aminotransferase, gamma-glutamyltransferase, alkaline phosphatase and triglycerides tests. (bvsalud.org)
Due to the high frequency of very major error, the use of DD and Etest are not recommended by Clinical laboratory and standards institute (CLSI) for colistin susceptibility testing while CBDE is the recommended method which yields a categorical agreement of 100% with BMD method. (johb.info)
We're very excited to get started with our OneLab™ Network event, "I'm a Frontline Facility- How Can I Safely Test Clinical Specimens from a Suspected Ebola Patient? (cdc.gov)

Examples of semi-quantitative examinations are urine dipsticks, tablet tests for ketones, and serological agglutination procedures. (who.int)
The urine collection procedure consists of urine collection, urine processing, and pregnancy testing. (cdc.gov)

The causative agent was identified as Salmonella enterica subspecies enterica serotype Enteritidis for 14 out of 20 cases tested. (who.int)

No agglutination generally indicates absence of the corresponding ABO antigen. (networkin.info)

Sixty four catties were positive and 667 negative to all three tests. (gov.tw)
After the isolation period expires, the results of two biological tests are negative, and then mixed breeding can be carried out. (ballyabio.com)
This test is used for screening of breeding dogs, and negative tests are reliable unless the dog has been recently exposed to the disease. (shinbroadband.com)
PCR testing is not recommended given the high rate of false negative results. (shinbroadband.com)
Negative, and there is no agglutination. (labpedia.net)
This test is useful in differentiating S.aureus from other coagulase-negative staphylococci. (biocheminsider.com)
Biologic false-positive results are defined as a positive RPR/VDRL result with a negative FTA-ABS/TP-PA result and are due to reactivity of autoantibodies to the cardiolipin-lecithin-cholesterol reagent present in the nontreponemal tests. (medscape.com)

In 2021, the VMDL processed approximately 55,756 accessions and performed more than 162,000 diagnostic tests. (missouri.edu)

With column (gel) agglutination (see Methods ), the procedure varies by the type of test to be carried out (typing or screening). (medscape.com)

Review the following test results and match the expected reaction pattern to the reported ABO type. (labce.com)

Confirmatory testing must be done for all children with a reactive HIV PCR result. (bvsalud.org)

The cost per person examined ranged from €1.56 for LNP-FBE-TBF to €2.99 for LNP-TBF-CTC-mAECT-CATT (card agglutination test for trypanosomiasis) titration. (cdc.gov)

A total of forty two extracts, one fraction and two pure compounds were tested in the in vitro system and thirty extracts gave Positive results. (who.int)
If the test is positive, then you will see clumping or agglutination. (labpedia.net)
If red top tube has been used for collecting sample, then false positive results might come. (newhealthadvisor.org)
This causes the cells to agglutinate, or clump together, which creates the "lumpy" look of a positive coagulase slide test. (biocheminsider.com)
The coagulase test is useful for differentiating potentially pathogenic Staphylococci such as Staphylococcus aureus from other Gram positive, catalase-positive cocci. (biocheminsider.com)
All positive RPR and VDRL test results should prompt follow-up with FTA-ABS or TP-PA. (medscape.com)
The treponemal (FTA-ABS/TP-PA) tests remain positive for the life of the patient regardless of therapy, and titers are not reported. (medscape.com)

Add recipient serum (patients) to known blood O cells (donors' RBCs or screening cells) in a test tube. (labpedia.net)
Shake gently to combine the contents in tubes, and RBCs in each tube will form a pellet or a button which will get tested for agglutination. (newhealthadvisor.org)

An agar gel immunodiffusion test performed in some laboratories is quite specific. (msdvetmanual.com)

These tests can also be performed on cerebrospinal fluid (CSF) upon suspicion of coccidioidal meningitis. (medscape.com)

Actual reporting of test results depends on the full battery of tests requested, day of the week/time of day samples arrive at the testing laboratory, and the quantity/quality of samples submitted. (tamu.edu)
Fees charged to animal owners by veterinarians may exceed test prices shown herein, reflecting the time, expertise, and expense necessary to collect the sample, ship it in an appropriate manner, interpret results, and provide treatment advice. (tamu.edu)
After submission, anticipate a wait of approximately 7 to 21 days for the test results to be processed. (shinbroadband.com)
Test results are likely to take 7-21 days. (shinbroadband.com)
laboratory confidence that test results are accurate and reliable before patient results are reported. (who.int)
The difference is that results of these tests are expressed as an estimate of how much of a measured substance is present. (who.int)

Microbiological testing was performed on faecal, food and environmental samples. (who.int)

This version of the coagulase test is used to identify the presence of either bound coagulase or free coagulase, which is an extracellular enzyme. (biocheminsider.com)

One hundred and thirty extracts as well as one hundred fractions and seven pure compounds were tested by the in vivo method. (who.int)

These tests have largely replaced direct visualization of spirochetes owing to greater ease of testing, less reliance on observer experience, and less-expensive equipment. (medscape.com)

Patient plasma and reagent RBC suspension are placed at the top of the tube and then centrifuged. (medscape.com)
Each reagent is supplied at optimal dilution for use with slide, tube, gel card & microplate techniques. (networkin.info)

A drop of RBC suspension from each set of the screening cells is placed into a centrifuge tube and mixed with 2 drops of the recipient's plasma. (medscape.com)
This is the test for screening purposes in routine blood transfusion. (labpedia.net)

Platelet agglutination is the clumping together of particles due to agglutinins and occurs in a test tube, which is a useful diagnostic tool in medicine. (differencebetween.net)

The overall performance of the laboratories by cycles varied from 71% to 82%.Conclusion: This national PT programme identified the tests, which laboratories must improve their performance (urea, creatinine, uric acid, bilirubin, cholesterol, total protein, calcium, magnesium, phosphorus). (bvsalud.org)

Anatomy3

Organisms7

Diseases13

Chemicals and Drugs11

Analytical, Diagnostic and Therapeutic Techniques and Equipment16

Phenomena and Processes5

Information Science1

Health Care3

Brucella11

Brucellosis7

Coombs14

Antibodies21

Serology2

Serological tests3

Antibody6

Serum tube agglutination test1

Microagglutination test1

Reagents3

Standard tube agglutination1

Assay5

Titer3

ELISA3

Hemolysis5

Serologic tests4

Antiglobulin18

Venereal Disease Research Laboratory1

Laboratory tests3

Saline3

Column agglutination3

Sensitivity5

Diagnosis5

Polymerase3

Specificity1

Rapid7

Detection2

Infection5

Syphilis tests2

Isolates tested2

Clinical5

Urine2

Salmonella1

Antigen1

Negative7

Diagnostic tests1

Procedure1

Reaction1

Confirmatory1

Card agglutination1

Positive7

RBCs2

Immunodiffusion1

Cerebrospinal fluid1

Results6

Microbiological1

Enzyme1

Vivo1

Direct1

Reagent2

Screening2

Agglutinins1

Laboratories1