8 results
Acute Mesenteric Ischemia - Performance of 
Laboratory Tests (Sensitivity, Specificity) 
- WBC, Lactate, D-dimer, Urine I-FABP

#Mesenteric
Mesenteric Ischemia - Performance ... of Laboratory ... Tests (Sensitivity ... Ischemia #AMI #Testing ... #Diagnosis #Laboratory
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Performance Characteristics ... Cancer Screening Tests ... Stool/blood-based tests ... for CRC, Poor sensitivity ... #Testing
ACA Colorectal Cancer Screening Guidelines

When to Screen?
When to Stop?
Family History

Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based
Family History Performance ... Cancer Screening Tests ... Stool/blood-based tests ... for CRC, Poor sensitivity ... #Testing #Indications
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
- CCP antibody testing ... but lower sensitivity ... more time for the laboratory ... ANA and RF (if clinical ... Rheumatoid #Arthritis #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
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 ... cut-offs defined in clinical ... >90% (In most clinical ... the use of this test ... FalsePositives #Laboratory
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Performance thorough ... event, follow ACC algorithm ... determine if stress test ... Change in clinical ... surgery Stress Testing
“ Clinical laboratories should follow these guidelines when collecting specimens for monkeypox virus:

Collect at least two
Clinical laboratories ... public health laboratory ... public health laboratory ... may test one of ... virus-specific testing