20 results
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
What is Fecal Occult ... Blood Testing ( ... to unnecessary testing ... Fellowship @UMassGI #Fecal ... #FOBT #Guaiac #FalsePositives
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
Sensitivity Specificity ... confusion matrix Sensitivity ... #Sensitivity #Specificity ... #FalsePositive
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
of Inaccurate Fecal ... #Guaiac #FOBT #Fecal ... #OccultBlood #Testing ... #Laboratory #FalsePositive
Agents Causing Potential False-Positive Results With Urine Drug Screening 

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

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
Toxicology #Diagnosis #FalsePositive ... #Testing
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
#FalsePositives ... DrugScreening #UDS #Testing
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 ... Sensitivity Specificity ... Galactomannan #Fungal #Testing ... #FalsePositives ... #Laboratory #sensitivity
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
strategy with minimal testing ... Food allergy/ sensitivity ... testing unless ... bowel disease w/ fecal ... calprotectin or fecal
Algorithm for the Evaluation of Acute Diarrhea (< 7 days)
Are the following present?
   1.
Algorithm for the ... Fecal leukocytes ... Ova and parasite testing ... Fecal leukocyte ... Diarrhea #management #algorithm
Management Algorithm for Confusion
- Substrate verification, glucose, oxygen checks
- Toxidrome present
- Focal findings on neurologic examination
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Management Algorithm ... Toxidrome present - Focal ... criteria - ED testing ... Delirium #Management #Algorithm