86 results
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Testing #Laboratory #FalsePositive ... #Differential #Accuracy
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
#Specificity #FalsePositive
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
Toxicology #Diagnosis #FalsePositive
Cancer screening: Do the harms outweigh the benefits? #EBM #epidemioliogy #PubilcHealth #PrimaryCare #HONC #Screening #AdverseEffects #Harms
AdverseEffects #Harms #FalsePositives
Agents Causing Potential False-Positive Results With Urine Drug Screening 

#Urine #DrugScreens #UDS #Laboratory #Toxicology #Diagnosis #FalsePositive
Toxicology #Diagnosis #FalsePositive
Causes of False-Positive and False-Negative IGRA and TST Results

#Diagnosis #TB #Tuberculosis #Tuberculin #SkinTest #TSTs #IGRA #FalseNegatives
FalseNegatives #FalsePositives
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
#FalsePositives
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
#FOBT #Guaiac #FalsePositives
Kernig's and Brudzinski's Signs- Physical Exam Diagnostic Accuracy in Meningitis

#Diagnosis #PhysicalExam #Meningitis #Sensitivity #Accuracy #Kernigs #Brudzinskis
Exam Diagnostic Accuracy ... #Sensitivity #Accuracy
Point-of-care Ultrasound for Diagnosis of Abscess in Skin and Soft Tissue Infections

1. POCUS is more accurate
POCUS is more accurate ... Abscess #POCUS #Accuracy ... LikelihoodRatios #Accuracy