63 results
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
drugs that may cause ... #DrugScreens #UDS ... Toxicology #Diagnosis #FalsePositive ... #Testing
Agents Causing Potential False-Positive Results With Urine Drug Screening 

#Urine #DrugScreens #UDS #Laboratory #Toxicology #Diagnosis #FalsePositive
#DrugScreens #UDS ... Toxicology #Diagnosis #FalsePositive ... #Testing
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Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
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 ... the ambulatory setting ... to unnecessary testing ... #OccultBlood #Testing ... #FOBT #Guaiac #FalsePositives
Causes of False-Positive and False-Negative IGRA and TST Results

#Diagnosis #TB #Tuberculosis #Tuberculin #SkinTest #TSTs #IGRA #FalseNegatives
Causes of False-Positive ... FalseNegatives #FalsePositives ... #Causes
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Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Causes of Inaccurate ... #OccultBlood #Testing ... #Laboratory #FalsePositive
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
Algorithm for the ... many possible causes ... In most cases, it ... reduce unnecessary testing ... Chronic #Diarrhea #Algorithm
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Hypereosinophilia Different Diagnosis and Workup
Secondary causes are broad so start with a med review, the most
Workup Secondary causes ... the most common cause ... setting! ... Outside the US, ... Diagnosis #Workup #algorithm
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Differential Diagnosis Algorithm ... present on repeat testing ... including overnight testing ... Differential #Diagnosis #Algorithm
A retrospective cohort study of blood culture results and microbiology laboratory charges for pediatric cases of
for pediatric cases ... InfectiousDisease #FalsePositive