12 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
- High sensitivity ... Celiac #Disease #Testing ... #Laboratory #Tests ... #Diagnosis #Workup ... #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
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... hypercalcemia rests ... value of 0.0115, sensitivity ... Thus, further testing ... #Differential #
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... but lower sensitivity ... more time for the laboratory ... Rheumatoid #Arthritis #laboratory ... #workup #diagnosis
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 ... #Diarrhea #Workup ... Transplant #diagnosis #differential
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... for AI (but low sensitivity ... require Cosyntropin testing ... Step 3) Differentiate ... Insufficiency #Algorithm
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... and Screening Testing ... #Hypertension #Differential ... Causes #Screening #Workup ... #table
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Primary Amenorrhea - Differential ... Diagnosis Algorithm ... • Vanishing Testes ... Functional (e.g. eating ... #Diagnosis #Algorithm
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... the use of this test ... in BAL does not differentiate ... Galactomannan #Fungal #Testing ... FalsePositives #Laboratory
Antibiotic Susceptibility Testing Methods
1) Kirby Bauer Disk Diffusion: disks impregnanted w/ Abx → circular gradient →
Susceptibility Testing ... Gradient diffusion (E test ... concentrations + algorithms ... #Antibiotic #Sensitivity ... #laboratory #microbiology