13 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
- High sensitivity ... Widely variable sensitivity ... antibodies - Sensitivity ... #Testing #Laboratory ... #Workup #Table
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Cancer Screening Tests ... Stool/blood-based tests ... for CRC, Poor sensitivity ... #comparison #table ... #Testing
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Anemia of Chronic Disease ... - Laboratory Testing ... normal but poor sensitivity ... Ferritin-best non-invasive test ... #Comparison #Table
ACA Colorectal Cancer Screening Guidelines

When to Screen?
When to Stop?
Family History

Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based
Cancer Screening Tests ... Stool/blood-based tests ... for CRC, Poor sensitivity ... #comparison #table ... #Testing #Indications
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Studies in Rheumatic Diseases ... - CCP antibody testing ... but lower sensitivity ... and C serology testing ... #Rheumatic #Disease
Invasive Candidiasis (IC)

Diagnosis:
Culture:
 • Gold standard, but Slow (~2-3 days), 50% sensitivity
 • Blood Sample
 •
2-3 days), 50% sensitivity ... • Molecular Tests ... susceptibility testing ... Funduscopic Exam • CVC ... • Infectious Diseases
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Goodpasture's Disease ... , cr, ESR, CRP ... testing: anti-ANCA ... ab, anti-GBM ab ... , biopsy By Tess
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
strategy with minimal testing ... cultures, but test ... Food allergy/ sensitivity ... testing unless ... lactoferrin + CRP
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
decreased PLT count: CBC ... smear, HIV/HCV testing ... K), H. pylori test ... thyroid function test ... When do you do a BM
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Ischemic heart disease ... event, follow ACC algorithm ... determine if stress test ... surgery Stress Testing ... preoperative stress testing