False-negative reactions to the comparative intradermal tuberculin test for bovine tuberculosis [PDF]
Pesquisa Veterinária Brasileira, 2017 : According to the Brazilian National Program for the Control and Eradication of Animal Brucellosis and Tuberculosis (PNCEBT), the routine tests for the diagnosis of bovine tuberculosis in the country are the simple intradermal tuberculin test (SITT) of ...
Rudielle A. Rodrigues +7 more
doaj +3 more sources
A Fatal Case of Herpes Simplex Encephalitis with Two False-Negative Polymerase Chain Reactions [PDF]
Case Reports in Neurology, 2018 An 88-year-old man presented with a 1-month history of altered mental status and seizures. His electrographic and imaging findings were suggestive of herpes simplex encephalitis (HSE), for which he was empirically treated with acyclovir. He underwent two
Aldo A. Mendez +5 more
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In-depth evaluation of false-positive biological reactions in the syphilis serological diagnosis: a cross-sectional study with two sampling components [PDF]
Frontiers in Cellular and Infection MicrobiologyObjectivesThis study aimed to systematically evaluate the disease spectrum, demographic characteristics, and autoantibody profiles associated with biological false-positive (BFP) reactions in serological tests for syphilis.MethodsA retrospective analysis
Jing Li +5 more
doaj +2 more sources
False negative results from using common PCR reagents [PDF]
BMC Research Notes, 2011 Background The sensitivity of the PCR reaction makes it ideal for use when identifying potentially novel viral infections in human disease. Unfortunately, this same sensitivity also leaves this popular technique open to potential contamination with ...
Atwood Allison A +4 more
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The Effects of Depression and Rumination on False Memory [PDF]
, 2011 Depression increases the likelihood of cognitive deficits, including memory impairments, but the effect of depression on false memories is debated. The current study investigated whether depressive symptoms are associated with increased negative false ...
Turner, Amy
core +6 more sources
Postoperative cerebral air embolism with delayed abnormal brain MRI findings
eNeurologicalSci, 2021 Cerebral air embolism (CAE) is a rare but well-known complication resulting from invasive medical procedures; however, previous studies have not examined the postoperative longitudinal MRI changes in CAE.
Yuwa Oka +4 more
doaj +1 more source
Understanding the Cause of False Negative β-d-Glucuronidase Reactions in Culture Media Containing Fermentable Carbohydrate [PDF]
Letters in Applied Microbiology, 2010 C R Fricker
exaly +2 more sources
Journal of the American College of Emergency Physicians Open, 2021 Study objective To determine the prevalence of false negative point‐of‐care (POC) urine pregnancy tests among emergency department (ED) patients and among those with abdominal pain or vaginal bleeding.
Sarah Kleinschmidt +3 more
doaj +1 more source
Characteristics of False-Positive Alarms in the BacT/Alert 3D System
Microbiology Spectrum, 2022 The BacT/Alert system has been used for detecting the presence of bacteria in various clinical settings as well as in blood services, but it is associated with a relatively high incidence of false-positive results.
Misato Amano +8 more
doaj +1 more source
Cancer Medicine, 2020 Background Breast cancer survivors are increasing followed for new breast cancers / recurrences by mammography screening only. We aimed at assessing how often breast cancer survivors get a false positive or false negative result at mammography screening.
Sisse Helle Njor +2 more
doaj +1 more source