12 results
Agents Causing Potential False-Positive Results With Urine Drug Screening 

#Urine #DrugScreens #UDS #Laboratory #Toxicology #Diagnosis #FalsePositive
Causing Potential False-Positive ... #DrugScreens #UDS ... Toxicology #Diagnosis #FalsePositive ... #Testing
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
that may cause false ... #DrugScreens #UDS ... Toxicology #Diagnosis #FalsePositive ... #Testing
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False ... Drug Screens (UDS ... #FalsePositives ... DrugScreening #UDS ... #Testing #Laboratory
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
Fecal Occult Blood Testing ... evaluation • False ... cauliflower, ETOH • False ... to unnecessary testing ... #FOBT #Guaiac #FalsePositives
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 ... not available in US ... Galactomannan #Fungal #Testing ... #FalsePositives
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Test Results False ... anticoagulant medication False ... #OccultBlood #Testing ... #Laboratory #FalsePositive
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
breakthrough IFI in HM • False ... not available in US ... recipients, CGD pts • False ... Frozen ice-pops (in setting
This is what a carotid artery dissection looks like on US when blood in the false
looks like on US ... when blood in the false ... EM_RESUS #Clinical #POCUS
Complex Ascites in SBP on POCUS

Setting up for paracentesis. Glad we grabbed the US! ⬆️ suspicion
Ascites in SBP on POCUS ... Setting up for ... we grabbed the US ... #Ascites #SBP #POCUS
Incarcerated Hernia on POCUS

Pregnant F w/ abdominal pain? No need for radiation when #POCUS shows a
Incarcerated Hernia on POCUS ... radiation when #POCUS ... colleagues for trusting ... our POCUS skills ... hernia on initial US