10 results
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
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Cholecystitis Diagnostic Test ... Characteristics Sensitivity ... Cholecystitis #Testing ... Characteristics #Table ... LikelihoodRatio #Accuracy
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
- High sensitivity ... Widely variable sensitivity ... antibodies - Sensitivity ... #Testing #Laboratory ... #Workup #Table
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Studies in Rheumatic Diseases ... - CCP antibody testing ... but lower sensitivity ... more time for the laboratory ... Rheumatoid #Arthritis #laboratory
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Methods - Sensitivity ... Urea breath test ... BEST first line test ... #Laboratory #Diagnosis ... #Accuracy
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Sensitivity (rule ... who test positive ... PPV Higher sensitivity ... probability of getting ... error Validity (“accuracy
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
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Ischemic heart disease ... event, follow ACC algorithm ... determine if stress test ... : - Known CV disease ... Structural heart disease
Celiac Disease - Diagnosis Algorithm
IgA TTG has high sensitivity and specificity of ~ 98% and is
Celiac Disease - ... Diagnosis Algorithm ... IgA TTG has high sensitivity ... pts need further testing ... -A negative test
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