16 results
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
False-Negative Contingency ... #Specificity #FalsePositive ... #FalseNegative ... #Contingency #Table
Causes of False-Positive and False-Negative IGRA and TST Results

#Diagnosis #TB #Tuberculosis #Tuberculin #SkinTest #TSTs #IGRA #FalseNegatives
SkinTest #TSTs #IGRA #FalseNegatives ... #FalsePositives
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
#FOBT #Guaiac #FalsePositives ... #FalseNegatives
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Testing #Laboratory #FalsePositive ... #FalseNegative
Fecal Incontinence - Pathogenesis and Complications
Continence mechanisms are impaired
 • Local neuronal damage
 • External and
Complications Continence ... sphincter impairment Continence
Types of Urinary Diversion Procedures
Ileal Conduit:
 • Technically simpler, fewer complications, and well understood. No bladder
near-normal urinary continence ... near-normal urinary continence
Causes of Enuresis - Differential Diagnosis Algorithm
Primary Nocturnal Enuresis (Urinary Control Never Achieved)
 • Delayed Maturation
Flag) (>6 Month Continence
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
Toxicology #Diagnosis #FalsePositive
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
#FalsePositives
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
bowel/bladder continence ... bladder bladder continence