9 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
and first-level screening ... test - High sensitivity ... Widely variable sensitivity ... #Testing #Laboratory ... #Workup #Table
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
- Laboratory Testing ... normal but poor sensitivity ... Ferritin-best non-invasive test ... #Laboratory #Testing ... #Comparison #Table
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the ... by the screening ... Sensitivity indicates ... scores on the screening ... #Calculation #Table
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
but lower sensitivity ... more time for the laboratory ... Screening Tests ... Screening Tests ... Rheumatoid #Arthritis #laboratory
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Diagnosis and Screening ... Testing Common ... of renal disease ... #Screening #Workup ... #table
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... Sensitivity (rule ... out – screening ... PPV Higher sensitivity ... probability of getting
Algorithm regarding the diagnosis and treatment of Hereditary Hemochromatosis HH. 

Step 1: In the patient with
Algorithm regarding ... suggested initial screening ... test should be ... elevated, HFE gene testing ... of liver disease
Antibiotic Susceptibility Testing Methods
1) Kirby Bauer Disk Diffusion: disks impregnanted w/ Abx → circular gradient →
Gradient diffusion (E test ... concentrations + algorithms ... MIC Infectious Diseases ... #Antibiotic #Sensitivity ... #laboratory #microbiology
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
should use this algorithm ... reference level Laboratory ... depending upon disease ... See table below ... #SmallPox #Laboratory