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

Sensitivity refers to the test's ability to correctly
Sensitivity Specificity ... False-Negative Contingency Table ... #FalsePositive ... #FalseNegative # ... Contingency #Table
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Chronic Disease - Laboratory ... Testing SUMMARY ... normal but poor sensitivity ... Ferritin-best non-invasive test ... #Table #Fe
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Fecal Occult Blood Test ... #OccultBlood #Testing ... #Laboratory #FalsePositive ... #FalseNegative
Tuberculous Pleural Effusions - Tests and Biomarkers
Age + fever + red blood cells + ADA -
Pleural Effusions - Tests ... ADA - Very high sensitivity ... amplification test ... #Tuberculosis #Laboratory ... #Testing #diagnosis
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
- High sensitivity ... Widely variable sensitivity ... Celiac #Disease #Testing ... #Laboratory #Tests ... Diagnosis #Workup #Table
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
Fecal Occult Blood Testing ... immunochemical test ... to unnecessary testing ... #FOBT #Guaiac #FalsePositives ... #FalseNegatives
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
false positive tests ... DrugScreens #UDS #Laboratory ... Toxicology #Diagnosis #FalsePositive ... #Testing
Syphilis Diagnostic Algorithm
 • Syphilis (TP) EIA
 • RPR
 • A different treponemal specific test (TPPA)

ID
Syphilis Diagnostic Algorithm ... treponemal specific test ... Syphilis #Diagnosis #Algorithm ... #Testing #laboratory
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Cholecystitis Diagnostic Test ... Characteristics Sensitivity ... Cholecystitis #Testing ... Characteristics #Table ... #Sensitivity #Specificity
Acute Mesenteric Ischemia - Performance of 
Laboratory Tests (Sensitivity, Specificity) 
- WBC, Lactate, D-dimer, Urine I-FABP

#Mesenteric
Performance of Laboratory ... Tests (Sensitivity ... Ischemia #AMI #Testing ... #Diagnosis #Laboratory ... #Sensitivity #Specificity