35 results
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False ... levofloxacin, ofloxacin, poppy ... seeds, poppy oil ... (High Rate of False ... #UDS #Testing #Laboratory
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... in HbA1c == False ... • Asplenia Laboratory ... Transfusions == False ... HbA1c #HgbA1c #Laboratory
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 ... (Benadryl) • Poppy
Hyperthyroid States - Comparison Table - Laboratory Findings via RebelEM @srrezaie

#Diagnosis #Endocrinology #Hyperthyroid #States #Comparison #Table
States - Comparison Table ... - Laboratory Findings ... States #Comparison #Table ... #FreeT4 #Labs #Laboratory
False Positive Urine Drug Screens
Amphetamines - Amantadine, brompheniramine. bupropion, chlorpromazine, desipramine, ephedrine, isometheptene, isoxsuprine, labetalol, phentermine,
False Positive Urine ... fluoroquinolones, poppy ... , quetiapine #False
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 Table ... #Contingency #Table
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 ... #Specificity #Laboratory
Thrombotic Thrombocytopenic Purpura (TTP) vs Disseminated Intravascular Coagulation (DIC)
#Diagnosis #TTP #DIC #Comparison #Table #Laboratory #Findings #RebelEM
DIC #Comparison #Table ... #Laboratory #Findings
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
(immunity) - False-positive ... Interpretation #diagnosis #laboratory
Initial Clinical and Laboratory Data Base for Defining Major Syndromes in Nephrology

#Major #Syndromes #Nephrology #Diagnosis #Workup
Initial Clinical and Laboratory ... #Differential #Table