30 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
for Celiac Disease ... specificity - Falsely negative ... ) - May be negative ... HLA-DQ8 - High negative ... #Diagnosis #Workup
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Test for celiac ... disease with serology ... endoscopy only if: • Negative ... change medical management ... Gastrointestinal #Evaluation #workup
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Graves disease – ... Check pregnancy test ... affects diagnostic workup ... choices AND management ... Diagnosis #Algorithm #Workup
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Studies in Rheumatic Diseases ... ANAs; thus, a negative ... #Rheumatic #Disease ... Arthritis #laboratory #workup
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... and Management Algorithm ... Breath test for ... above testing negative ... #Diarrhea #Workup
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Diagnosis and Management ... spread of the Gram-negative ... the preferred test ... typically part of the workup ... • Test all patients
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Diagnosis and Management ... • Immunologic Workup ... pANCA anti-MPO - Negative ... Usual therapeutic management ... Evolution: Chronic disease
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
intermediate risk of disease ... ) False-negative ... because false-negative ... sample = 95% • A negative ... Testing #Diagnosis #Workup
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... • Some false negative ... specific laboratory tests ... #diagnosis #management ... #phenotypes #workup
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
Diagnosis and Management ... necrosis, Lyme disease ... viral arthritis Workup ... staphylococcus, gram negative ... Arthritis #Diagnosis #Management