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 ... Chronic #Disease #Laboratory ... #Testing #Comparison
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 ... #Testing #Comparison ... PCR #EIA #GDH #Laboratory
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
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... value of 0.0115, sensitivity ... Thus, further testing ... Hypercalcemia #Workup #Differential ... #Algorithm
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
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 ... Sensitivity Specificity ... in BAL does not differentiate ... Galactomannan #Fungal #Testing ... FalsePositives #Laboratory
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
dermatidis • Sensitivity ... : Mucorales • Sensitivity ... BAL GM does not differentiate ... Frozen ice-pops (in setting ... Galactomannan #diagnosis #comparison
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Primary Amenorrhea - Differential ... Diagnosis Algorithm ... : • Androgen insensitivity ... Functional (e.g. eating ... #Diagnosis #Algorithm
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
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... confirmed via genetic testing ... dependent upon local laboratory ... hypokalemia #diagnosis #differential ... #algorithm #nephrology