Discrepant toxoplasma latex agglutination test results. | Journal of Clinical Pathology
The latex agglutination test is useful as a screen for toxoplasma infection but false positive reactions do occur. Patients at ... The analysis of 4450 toxoplasma serology results showed that 59 (1.3%) latex agglutination reactions were not confirmed in the ...http://jcp.bmj.com/content/42/2/200
False positive reaction of Kasperskiy to early app version
My initial reaction was that it probably wouldn't have been obvious, had I not had the instructions. It seemed like I was ...https://www.outlookimport.com/my-antivirus-suspects-your-software-in-sending-hidden-data/
Chronic biological false-positive reactions to serological tests for syphilis in blood donors | Journal of Clinical Pathology
... showed biological false-positive reactions.. There were 80 sera from blood donors which gave biological false-positive ... Sixty-six of the sera showed chronic biological false-positive reactions. Some donors were only found reactive for the first ... Chronic biological false-positive reactions to serological tests for syphilis in blood donors ... Chronic biological false-positive reactions to serological tests for syphilis in blood donors ...https://jcp.bmj.com/content/23/6/478
False Positive Reactions | ISHAR Online
... are likely to generate false positive results. Based on electronic searches in six databases, 13 studies were found that met ... are likely to generate false positive results. Based on electronic searches in six databases, 13 studies were found that met ... design is prone to false positive results and discuss the design features that might prevent or exacerbate this problem. ... design is prone to false positive results and discuss the design features that might prevent or exacerbate this problem. ...http://isharonline.org/tags/false-positive-reactions
ON THE IMPORTANCE OF MALARIA AS A CAUSE OF FALSE POSITIVE SEROLOGIC REACTIONS* | Annals of Internal Medicine | American College...
FALSE-POSITIVE REACTION TO THE REGITINE TEST FOR PHEOCHROMOCYTOMA: REPORT OF A CASE1 Annals of Internal Medicine; 41 (5): 1061- ... ON THE IMPORTANCE OF MALARIA AS A CAUSE OF FALSE POSITIVE SEROLOGIC REACTIONS1. Ann Intern Med. ;19:651-655. doi: 10.7326/0003- ... ON THE IMPORTANCE OF MALARIA AS A CAUSE OF FALSE POSITIVE SEROLOGIC REACTIONS1 T. R. DAWBER, M.D. ... THE INCIDENCE AND ETIOLOGIC BACKGROUND OF CHRONIC BIOLOGIC FALSE-POSITIVE REACTIONS IN SEROLOGIC TESTS FOR SYPHILIS: ...http://annals.org/aim/article-abstract/672843/importance-malaria-cause-false-positive-serologic-reactions
False positive reaction of the immunohistochemistry technique using anti-BCG polyclonal antibodies to identify Mycobacterium...
... and Gram positive bacteria cocci, showed false positive reaction by the BCG marker. the authors discuss the use of the ... False positive reaction of the immunohistochemistry technique using anti-BCG polyclonal antibodies to identify Mycobacterium ... False positive reaction of the immunohistochemistry technique using anti-BCG polyclonal antibodies to identify Mycobacterium ...http://repositorio.unifesp.br/handle/11600/27902
Tubersol Dosage Guide - Drugs.com
False Positive Reactions. False positive tuberculin reactions can occur in individuals who have been infected with other ... Negative Reactions. An individual who does not show a positive reaction to 5 TU on the first test, but is suspected of being TB ... False-Negative Reactions. Not all infected persons will have a delayed hypersensitivity reaction to a tuberculin test. ... Persons showing positive tuberculin reactions should be considered positive by current public health guidelines and referred ...https://www.drugs.com/dosage/tubersol.html
DailyMed - TUBERSOL- tuberculin purified protein derivative injection, solution
False Positive Reactions. False positive tuberculin reactions can occur in individuals who have been infected with other ... False positive or false negative tuberculin skin test reactions may occur in some individuals. (See Interpretation of the Test ... False positive tuberculin reaction tests occur in individuals who have been infected with other mycobacteria, including ... Negative Reactions. An individual who does not show a positive reaction to 5 TU on the first test, but is suspected of being TB ...https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=261efc52-a105-4c2c-a8ce-9eee20b62efc
The porcine brucellosis - evidence of the role of Yersinia enterocolitica O:9 in occurrence of false positive serological...
9 in occurrence of false positive serological reactions - Polish Journal of Veterinary Sciences ... 9 in occurrence of false positive serological reactions. M. Weiner; K. Szulowski; W. Iwaniak ... The porcine brucellosis - evidence of the role of Yersinia enterocolitica O:9 in occurrence of false positive serological ...http://journals.pan.pl/dlibra/publication/114074/edition/99132/content/the-porcine-brucellosis-evidence-of-the-role-of-yersinia-enterocolitica-o-9-in-occurrence-of-false-positive-serological-reactions-weiner-m-szulowski-k-iwaniak-w?language=en
Elimination of false-positive polymerase chain reaction results resulting from hole punch carryover contamination - Murdoch...
Elimination of false-positive polymerase chain reaction results resulting from hole punch carryover contamination ... 2008) Elimination of false-positive polymerase chain reaction results resulting from hole punch carryover contamination. ... It was determined that false-positive results could be obtained at least 13 times after a positive sample. Subsequently, the ... causing false-positive results by PCR. In the present study, filter-paper-collected blood that contained beak and feather ...http://researchrepository.murdoch.edu.au/id/eprint/8970/
RNA Therapeutics - & related info | Mendeley
False Positive Reactions. *Functional genomics. *GSK461364. *Gene Expression. *Gene Expression Regulation. *Genetic ...https://www.mendeley.com/research-papers/rna-therapeutics-1/
Biological false-positive tests comprise a high proportion of Venereal Disease Research Laboratory reactions in an analysis of...
Biological false-positive tests comprise a high proportion of Venereal Disease Research Laboratory reactions in an analysis of ... were biological false positive. BFP reactivity was found in 0.24% of all patients and was significantly higher in women than in ... a phenomenon referred to as biological false-positive (BFP) VDRL test. The aim of this study was to determine the frequency of ... 2 dilutions without a positive treponemal test was not reported. The subgroup of HIV-positive patients (n = 1415) revealed a 10 ...https://www.ncbi.nlm.nih.gov/pubmed/16303064?dopt=Abstract
Hematologic scoring system in early diagnosis of sepsis in neutropenic newborns.
False Positive Reactions. Hematologic Tests*. Humans. Infant, Newborn. Infant, Premature, Diseases / blood, diagnosis, etiology ... 16.5%; P , 0.001). On the initial test a positive screen (scores , or = 3) identified 26 of 28 infants with sepsis or probable ... infection (sensitivity 93%; specificity 82%; positive and negative predictive values 50 and 98%, respectively). Corresponding ...http://www.biomedsearch.com/nih/Hematologic-scoring-system-in-early/8327296.html
Home monitoring with a modified automatic sphygmomanometer to detect recurrent atrial fibrillation.
False Positive Reactions. Female. Humans. Intracranial Embolism / etiology, prevention & control. Male. Pulse / instrumentation ... CONCLUSIONS: The device had an acceptably low false-positive rate allowing 16 of 19 patients to use it at home for long-term ... However, the lower specificity may result in false-positive readings that could prompt unnecessary clinic visits for ... Of 19 patients, 3 had false-positive irregular readings that were a result of sinus arrhythmia or ectopy. ...http://www.biomedsearch.com/nih/Home-monitoring-with-modified-automatic/17689385.html
Surveillance Manual | Lab Support | Vaccine Preventable Diseases | CDC
... have been observed to yield false-positive reactions in some IgM tests for measles. False-positive tests may be suspected when ... Because rubella incidence is low, a high proportion of IgM-positive tests will likely be false positive. False-positive serum ... When a laboratory IgM test result is suspected of being false-positive, additional tests may be performed. False-positive IgM ... false-negative and false-positive reactions can occur.. If the Hib antigen is detected in CSF from a patient with meningitis ...https://www.cdc.gov/vaccines/pubs/surv-manual/chpt22-lab-support.html
'More positive about mammography' - reactions of women to a false positive recall: a qualitative study of women at risk of...
More positive about mammography' - reactions of women to a false positive recall: a qualitative study of women at risk of ... and sought to understand the reactions of women who had received an initial all-clear result and who had received an all-clear ... women who were recalled for further tests prior to an all-clear result reported significantly more positive feelings post ... ability of mammography to detect a cancer at an early stage gave reassurance that a cancer diagnosis could lead to a positive ...https://breast-cancer-research.biomedcentral.com/articles/10.1186/bcr1974
Reduction of the HIV seroconversion window period and false positive rate by using ADVIA Centaur HIV antigen/antibody combo...
Reduction of the HIV seroconversion window period and false positive rate by using ADVIA Centaur HIV antigen/antibody combo ... False Positive Reactions. *Female. *HIV Antibodies (blood, immunology) *HIV Core Protein p24 (blood, immunology) ... To evaluate false-positivity and specificity, 54 HIV false-positive and HIV-negative serum samples from 100 hospitalized ... Reduction of the HIV seroconversion window period and false positive rate by using ADVIA Centaur HIV antigen/antibody combo ...http://www.curehunter.com/public/pubmed24205491.do
Cytomegalovirus (CMV) Clinical Presentation: History, Physical, Causes
False-positive reactions have resulted from the presence of rheumatoid factors.  ... Saliva polymerase-chain-reaction assay for cytomegalovirus screening in newborns. N Engl J Med. 2011 Jun 2. 364(22):2111-8. [ ... Despite its great sensitivity, the CMV IgM test is limited by a one-way cross-reaction of acute EBV infectious mononucleosis ... Reactivation of the virus is not uncommon, sometimes occurring with viremia and a positive IgM result in the presence of IgG ...https://emedicine.medscape.com/article/215702-clinical
The American Journal of Tropical Medicine and Hygiene | Serodiagnosis of Echinococcus Infection*
Two false positive reactions did occur in the CF test. The results of this study indicate that the IHA test is the most ... The IHA and the LF tests were more specific in that no false positive reactions occurred. ... The IHA and the LF tests were more specific in that no false positive reactions occurred. Two false positive reactions did ... Identification of Single Specimens of the Anopheles Gambiae Complex by the Polymerase Chain Reaction Authors: Julie A. Scott, ...http://www.ajtmh.org/content/journals/10.4269/ajtmh.1968.17.752
Recent Trends in the Serologic Diagnosis of Syphilis | Clinical and Vaccine Immunology
Patients with acute false-positive reactions should be retested in 3 to 6 months. Chronic false-positive reactions are ... False-positive reactions occur with NTT (21). These are categorized as either acute (occurring for less than 6 months) or ... Systemic disease and the biological false positive reaction. Br J Vener Dis 48:1-12. ... The recognized causes of acute false-positive reactions include other febrile illnesses, immunizations, and pregnancy (22). ...https://cvi.asm.org/content/22/2/137?ijkey=87cba241eb24708caf676b5a23f3eb2453758838&keytype2=tf_ipsecsha
Use of Enzyme-Linked Immunosorbent Assay and Dipstick Assay for Detection of Strongyloides stercoralis Infection in Humans |...
These false-positive reactions could also be caused by occult strongyloidiasis.. To our knowledge, the dipstick technique ... while serology was positive in 23 (18%). False positivity as an explanation for this is unlikely, since the number of positives ... Rinsing with tap water stopped the reaction. A brown line at the position of the positive control indicated successful ... The dotted line represents the cutoff value for a positive result in the AMC-ELISA: circles above the dotted line are positive ...https://jcm.asm.org/content/45/2/438?ijkey=280e09e7275b0cf1db06c0bb2e462d1b506f2af6&keytype2=tf_ipsecsha
rAlt a 1 - Phadia - Setting the Standard - Phadia.com
No false-positive reactions were detected. Analysis showed no IgE-binding differences between nAlt a 1 and rAlt a 1. Specific ... No false-positive results were obtained with control patients, even at the highest concentration (14). Evaluation of ... recombinant Alt a 1 using skin test was positive in 6 of 7 individuals allergic to Alternaria. In contrast, in a study using ...http://www.phadia.com/en/Products/Allergy-testing-products/ImmunoCAP-Allergen-Information/Molds-and-other-Microorganisms/Allergen-Components/rAlt-a-1-Alternaria-alternata/
Tests of Glycemia in Diabetes | Diabetes Care
Csako G: Causes, consequences, and recognition of false-positive reactions for ketones (Letter). Clin Chem 36:1388-1389, 1990. ... Csako G: False-positive results for ketones with the drug mesna and other free-sulfhydryl compounds. Clin Chem 33:289-292, 1987 ... Urine ketone tests using nitroprusside-containing reagents are reported to give false-positive results in the presence of ... all patients whose urine specimens tested positive by the nitroprusside reaction showed elevated levels of plasma β- ...http://care.diabetesjournals.org/content/27/7/1761.long
Piperacillin Sodium and Tazobactam Sodium Monograph for Professionals - Drugs.com
Possible false-positive reactions in urine glucose tests using copper reduction (e.g., Clinitest)1 33 35 ... Sensitivity Reactions. Hypersensitivity Reactions. Serious and occasionally fatal hypersensitivity reactions, including ... Possible false-positive results in Platelia Aspergillus EIA test1 33 35 ... Spectrum of activity includes many gram-positive and -negative aerobes and some anaerobes.1 2 4 5 6 9 10 11 15 18 19 20 21 22 ...https://www.drugs.com/monograph/piperacillin-sodium-and-tazobactam-sodium.html
Sibley Memorial Hospital - Fingerprint - Johns Hopkins University
False Positive Reactions Patient Care Planning Nursing Assessment Metabolic Clearance Rate Neurosyphilis ...https://jhu.pure.elsevier.com/en/organisations/sibley-memorial-hospital-3/fingerprints/