95 results
Misinterpretation of Urine Toxicology Screen - False Positives and Negatives

Dr. Y. Jay Lin @JayLin3455

#Urine #Toxicology #UTox
Misinterpretation ... Toxicology Screen - False ... Toxicology #UTox #False
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 ... #OccultBlood #Testing
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 ... other fungi • False ... Galactomannan #Pathogens #Testing
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing ... Tuberculin skin testing ... (TST) False-negative ... recommended because false-negative ... #Tuberculosis #Testing
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
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False ... (High Rate of False ... NSAlDs resulting in false-positive ... not result in false ... DrugScreening #UDS #Testing
Monoclonal Gammopathy Testing
Strengths, Weaknesses and Accuracy Compared
 - SPEP 
 - IFE 
 - FLC
Monoclonal Gammopathy Testing ... Monoclonal #Gammopathy #Testing ... Laboratory #Comparison #Table
Clinical Presentation and Diagnosis of Common Causes of Vaginitis

#Vaginitis #Differential #Diagnosis #Comparison #Table #Testing #Gynecology #OBGyn
Diagnosis #Comparison #Table ... #Testing #Gynecology
Differential Diagnosis of Headache - Table

 - Cluster headache
 - Migraine
 - Paroxysmal hemicrania
 - Short-lasting
of Headache - Table ... hemicrania - Short-lasting ... injection and tearing ... Differential #Comparison #Table
Who to test for BRCA 1/2?
Female Breast Cancer:
 • ≤ 45-50 years at diagnosis
 • Triple
cancers in this table ... factors in this table ... degree relative meeting ... criteria for testing ... BrighamChiefs #BRCA #testing