7 results
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
that Can Cause False ... screens (UDSs) are ... rapid results but are ... Amphetamine false ... • Ibuprofen (Advil
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
monospot test) are ... can lead to both false ... positive and false ... #Sensitivity #Specificity
D-dimer
Plasma D-dimer is a product of clot breakdown, released upon degradation of polymerized, crosslinked fibrin. Elevated
increase with age ... can cause a ↓ specificity ... (i.e. more false ... Specificity can ... ) the specificity
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Testing Sensitivity Specificity ... and False Positives ... 96% • Higher specificity ... BAL samples • False ... Galactomannan Ag
Our approach to the diagnosis and initial management of patients with suspected HIT. Our approach is
laboratory tests, which are ... and uncertain specificity ... Thrombocytopenia #Algorithm
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
negative tests are ... Specificity (rule ... FN) Higher specificity ... null when it’s false ... when it is indeed false
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Assists in liver specificity ... NT) - If both are ... differential #diagnosis #algorithm