985 results
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
can lead to both false ... positive and false ... instead using EBV ... Mononucleosis #EBV ... Serologies #Titers #Sensitivity
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
Sensitivity Specificity ... False-Positive ... False-Negative Contingency ... confusion matrix Sensitivity ... #Sensitivity #Specificity
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
can lead to both false ... positive and false ... instead using EBV ... Mononucleosis #EBV
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
and pneumocystis False ... other fungi • False ... Characteristics #Sensitivity
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
that Can Cause False ... Amphetamine false ... Cannabinoid false ... Benzodiazepine false ... Barbiturates false
Ohle R et al. Clinical Examination for Acute Aortic Dissection: A Systematic Review and Meta-analysis. AEM
Signs #Accuracy #Sensitivity ... VisualAbstract #EBM
COMPARISON OF PREDICTION TOOLS FOR PREDICTING TBI IN PEDIATRIC PATIENTS
 - PECARN 
 - CHALICE
CHALICE #CATCH #TBI #Sensitivity ... DecisionRules #EBM
Emergency physician interpretation of point-of-care ultrasound for identifying and grading of hydronephrosis in renal colic compared
pubmed/29663580 #EBM ... Comparison #Accuracy #Sensitivity
What's in a Blood Gas? VBG vs ABG

BOTTOM LINE: VBG is less painful, more easily obtained
45mmHg has a 100% sensitivity ... #EBM #Diagnosis
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... in HbA1c == False ... Transfusions == False ... Transfusions #False