11 results
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Chronic Disease - Laboratory ... Testing SUMMARY ... normal but poor sensitivity ... #Testing #Comparison ... #Table #Fe
CDiff (Clostridium difficile) Testing Compared
Toxin EIA assay, GDH assay, NAAT/PCR 

- Dr. Milana Bogorodskaya https://twitter.com/foamid

#CDifficile #Clostridium
CDiff (Clostridium ... difficile) Testing ... #Clostridium #CDiff ... #Table #PCR #EIA ... #GDH #Laboratory
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
test - High sensitivity ... negative with IgA deficiency ... Celiac #Disease #Testing ... #Laboratory #Tests ... Diagnosis #Workup #Table
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... value of 0.0115, sensitivity ... for correct classification ... Thus, further testing ... #Differential #Algorithm
Summary of Available Tests for Clostridium difficile Infection, in Decreasing Order of Sensitivity
 • Toxigenic culture
Decreasing Order of Sensitivity ... Clostridium #difficile #CDiff ... #laboratory #diagnosis ... #testing #sensitvity
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Differential Diagnosis Algorithm ... : • Androgen insensitivity ... 5-a Reductase deficiency ... Functional (e.g. eating ... Differential #Diagnosis #Algorithm
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... mineralocorticoid deficiency ... Cerebral Salt Wasting ... differential #diagnosis #table
Antibiotic Susceptibility Testing Methods
1) Kirby Bauer Disk Diffusion: disks impregnanted w/ Abx → circular gradient →
Susceptibility Testing ... MIC 4) Automated testing ... concentrations + algorithms ... #Antibiotic #Sensitivity ... #laboratory #microbiology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
malignancy, or thiamine deficiency ... - assess other laboratory ... ischemia (90% sensitivity ... effect - Thiamine deficiency ... #typea #typeb #classification
Celiac Disease - Diagnosis Algorithm
IgA TTG has high sensitivity and specificity of ~ 98% and is
Disease - Diagnosis Algorithm ... IgA TTG has high sensitivity ... IgA deficiency affects ... pts need further testing ... Disease #Diagnosis #Algorithm