20 results
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
Pathogens, and Testing ... and pneumocystis False ... • False positives ... Galactomannan #Pathogens #Testing ... #Fungi #Fungal
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
that Can Cause False ... drug screens (UDSs ... Amphetamine false ... #medications #UDS ... #Utox
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False ... Drug Screens (UDS ... (High Rate of False ... DrugScreening #UDS ... #Testing #Laboratory
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
that may cause false ... #DrugScreens #UDS ... FalsePositive #Testing
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Fungal Biomarkers ... breakthrough IFI in HM • False ... not available in US ... recipients, CGD pts • False ... Frozen ice-pops (in setting
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... Specificity and False ... component of many fungi ... not available in US ... #Testing #FalsePositives
Adrenal Insufficiency Algorithm - Cosyntropin Stimulation Test
T-1m: Baseline cortisol drawn
T0: 250 µg cosyntropin given IV
T30m: Repeat
Insufficiency Algorithm ... level drawn T60m: Final ... Insufficiency #Testing ... #Algorithm #Cosyntropin
Agents Causing Potential False-Positive Results With Urine Drug Screening 

#Urine #DrugScreens #UDS #Laboratory #Toxicology #Diagnosis #FalsePositive
Causing Potential False-Positive ... #DrugScreens #UDS ... FalsePositive #Testing
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
-> Serological Testing ... Fungal (Histoplasma ... -> Serological Testing ... -> Serological Testing ... Diagnosis #Management #Algorithm
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
Stepwise Diagnosis Algorithm ... of exposure to HDS ... Hidden OTC and HDS ... resources (Liver tox ... Injury #Diagnosis #Algorithm