Results 1 to 10 of about 6,059,721 (190)

False Positive Hemianopia

open access: yesCase Reports in Ophthalmology, 2022
A 70-year-old woman was urgently referred for neuro-ophthalmic evaluation when a routine visual field test demonstrated a pattern of bilateral nasal hemianopia.
Ravid Ben-Avi   +2 more
doaj   +3 more sources

False-positive test results: prevalence, time trends, and factors associated with false-positive serological markers in blood donation screening [PDF]

open access: yesHematology, Transfusion and Cell Therapy
Background and Objectives: False-positive serological results in blood donation screening may arise from antibody cross-reactivity, limitations in assay specificity, or low-level reactivity during early-stage infections, ultimately leading to donor ...
Lucas Kallas-Silva   +4 more
doaj   +2 more sources

Evaluation of false positive and false negative errors in targeted next generation sequencing [PDF]

open access: yesGenome Biology
Background Next-generation sequencing (NGS) has become an indispensable diagnostic tool across various diseases. However, sequencing and analysis errors remain major barriers to clinical implementation.
Youngbeen Moon   +10 more
doaj   +2 more sources

High false-positive response in perimetry

open access: yesIndian Journal of Ophthalmology, 2023
Background: In Humphrey visual field analyzer, the false-positive (FP) responses imply that the patient has pressed the response button despite no stimulus being seen at the time of response and FP rates >15% are flagged.
Tarannum Mansoori
doaj   +1 more source

Cytohistological correlation of thyroid fine-needle aspiration cytology with emphasis on discordant cases: A tertiary care center study

open access: yesIndian Journal of Health Sciences and Biomedical Research KLEU, 2023
CONTEXT: Fine-needle aspiration (FNA) is a reliable, most noninvasive, cheap, and efficient procedure to differentiate between benign and malignant thyroid nodules.[1] The six proposed Bethesda categories are known to reduce the “gray zone” in thyroid ...
G V Neethu   +3 more
doaj   +1 more source

Assessment of Health Monitoring Trustworthiness of Avionics Systems

open access: yesInternational Journal of Prognostics and Health Management, 2021
The article provides a methodology for assessing the trustworthiness of health monitoring the dismounted avionics systems with automated test equipment (ATE).
Vladimir Ulansky   +2 more
doaj   +1 more source

High positive HIV serology results can still be false positive

open access: yesIDCases, 2020
The consequences of falsely reactive HIV test results can be significant, for patients and healthcare providers. This case describes a diagnostic investigation of a patient with pronounced discordant HIV serological results, to determine HIV status.
Joanna Reid   +5 more
doaj   +1 more source

The vagaries of IgM: a case report of EBV infection with concomitantly false-positive IgM for CMV, VZV, and HSV

open access: yesThe Egyptian Journal of Internal Medicine, 2020
Background Serum IgM (immunoglobulin M) testing is commonly used to diagnose acute viral infections. However, most clinicians are unaware of the vagaries of IgM testing, including antigenic cross-reactivity between multiple viruses and risk misdiagnosis.
Raai Mahmood   +5 more
doaj   +1 more source

What do you mean by false positive?

open access: yesEnvironmental DNA, 2021
Misunderstandings regarding the term “false positive” present a significant hurdle to broad adoption of eDNA monitoring methods. Here, we identify three challenges to clear communication of false‐positive error between scientists, managers, and the ...
John A. Darling   +2 more
doaj   +1 more source

Positive Consequences of False Memories [PDF]

open access: yesBehavioral Sciences & the Law, 2013
Previous research is replete with examples of the negative consequences of false memories. In the current research, we provide a different perspective on false memories and their development and demonstrate that false memories can have positive consequences.
Howe, Mark, Garner, Sarah, Patel, Megan
openaire   +3 more sources

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