11 results
Estimated Timeline for Detection of SARS-CoV-2 Infection Relative to Symptom Onset

#COVID19 #SARSCOV2 #PCR #Serology #Antibodies #Antibody
COVID19 #SARSCOV2 #PCR ... Antibodies #Antibody #Laboratory ... #Testing #Interpretation
Emergency physician interpretation of point-of-care ultrasound for identifying and grading of hydronephrosis in renal colic compared
Emergency physician interpretation ... with consensus interpretation ... Hydronephrosis #Comparison ... #Accuracy #Sensitivity ... #Specificity #Testing
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
Tuberculous Pleural Effusions - Diagnostic Testing
Pleural fluid culture - Up to 40% sensitivity
Pleural biopsy culture and
Effusions - Diagnostic Testing ... Pleural fluid PCR ... Pleural biopsy PCR ... Tuberculous #Diagnosis #Laboratory ... #Testing #Sensitivity
COVID19 Testing - PCR vs CT - Sensitivity and Specificity

Original Data via https://pubs.rsna.org/doi/full/10.1148/radiol.2020200642

Admission laboratory patterns in
COVID19 Testing ... - PCR vs CT - Sensitivity ... .2020200642 Admission laboratory ... #PCR #ChestCT # ... Sensitivity #Specificity
CDiff (Clostridium difficile) Testing Compared
Toxin EIA assay, GDH assay, NAAT/PCR 

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

#CDifficile #Clostridium
Clostridium difficile) Testing ... GDH assay, NAAT/PCR ... #Comparison #Table ... #PCR #EIA #GDH ... #Laboratory
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 ... Other +s: PCP, Histo ... Galactomannan #Fungal #Testing ... FalsePositives #Laboratory
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 ... K/creatinine (Cr ... confirmed via genetic testing ... in most cases; interpretation ... dependent upon local laboratory
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
should use this algorithm ... smallpox-diagnostic-algorithm-poster ... testing on specimens ... reference level Laboratory ... #SmallPox #Laboratory