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

SUMMARY:
 - RDW, FEP, serum iron,
Anemia of Chronic Disease ... - Laboratory Testing ... normal but poor sensitivity ... non-invasive test ... #Laboratory #Testing
COVID-19 PCR and Serology Testing - Timeline
 • Nucleic Acid Test - Most reliable and can
COVID-19 PCR and Serology ... Testing - Timeline ... • Nucleic Acid Test ... antibody #antibodies #testing ... #laboratory #Timeline
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
for Celiac Disease ... - High sensitivity ... Widely variable sensitivity ... antibodies - Sensitivity ... #Testing #Laboratory
Tuberculous Pleural Effusions - Tests and Biomarkers
Age + fever + red blood cells + ADA -
Pleural Effusions - Tests ... ADA - Very high sensitivity ... amplification test ... #Tuberculosis #Laboratory ... #Testing #diagnosis
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Pronator Drift Testing ... normal exam: • Sensitivity ... test characteristics ... Pronator #Drift #Testing ... physicalexam #diagnosis #neurology
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Helicobacter Pylori Testing ... Methods - Sensitivity ... Urea breath test ... first line test ... #Laboratory #Diagnosis
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
• Additional laboratory ... tests may be needed ... Test for celiac ... disease with serology ... Non-invasive testing
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Studies in Rheumatic Diseases ... but lower sensitivity ... more time for the laboratory ... • Hepatitis B serology ... Rheumatoid #Arthritis #laboratory
Acute Mesenteric Ischemia - Performance of 
Laboratory Tests (Sensitivity, Specificity) 
- WBC, Lactate, D-dimer, Urine I-FABP

#Mesenteric
Performance of Laboratory ... Tests (Sensitivity ... Ischemia #AMI #Testing ... #Diagnosis #Laboratory ... #Sensitivity #Specificity
Woltman’s sign on Physical Exam

53-year-old man presented with fatigue and sensitivity to cold. A physical examination
Physical Exam 53-year-old ... with fatigue and sensitivity ... Woltman’s sign — and laboratory ... deep-tendon reflex, is a neurologic ... Clinical #Video #Neurology