24 results
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
- Guaiac based ... immunochemical test ... to unnecessary testing ... #FOBT #Guaiac # ... FalsePositives #FalseNegatives
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Fecal Occult Blood Test ... medication #Guaiac ... #OccultBlood #Testing ... FalsePositive #FalseNegative
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
False-Negative Contingency Table ... Specificity of a test ... disease, who will test ... FalsePositive #FalseNegative ... #Contingency #Table
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic Testing ... Cost - Cost per test ... Cardiac stress test ... diagnosis #workup #testing ... Effectiveness #table
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Disease - Laboratory Testing ... - Ferritin-best ... non-invasive test ... Disease #Laboratory #Testing ... #Comparison #Table
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... reliable noninvasive test ... first-level screening test ... Celiac #Disease #Testing ... Diagnosis #Workup #Table
Who to test for BRCA 1/2?
Female Breast Cancer:
 • ≤ 45-50 years at diagnosis
 • Triple
Who to test for ... cancers in this table ... factors in this table ... criteria for testing ... BrighamChiefs #BRCA #testing
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Cholecystitis Diagnostic Test ... Cholecystitis #Testing ... Characteristics #Table
The Spectrum of Tuberculosis

As shown in the graphic from our Primer, exposure to M. tuberculosis can
tuberculin skin test ... (TST) or interferon-gamma ... #Tuberculosis #Testing ... #Results #TST # ... IGRA #Spectrum #Table
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
and Screening Testing ... Renal ultrasound, Tests ... sodium loading test ... saline infusion test ... Screening #Workup #table