16 results
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
, diagnose iron ... disease with serology ... Non-invasive testing ... Gastrointestinal #Evaluation #workup ... #diagnosis #gastroenterology
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... negative predictive value ... #Testing #Laboratory ... #Tests #Diagnosis ... #Workup #Table
Diagnosing Brucellosis
Epidemiological Exposures
- Endemic Regions
- Clinical Micro Lab Technicians
- Animal/Vaccine Exposure: Vets, Slaughterhouse workers, hunters
- Unpasteurized
Tests: - CBC ... + Chemistry: Anemia ... , Convalescent Serology ... #Criteria #Workup ... #Testing
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... smear, HIV/HCV testing ... (CVID, WAS), (neurologic ... changes), high MCV anemia
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... the presence of anemia ... (to support a diagnosis ... Arthritis #laboratory #workup ... #diagnosis #testing
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing ... TB • LTBI is diagnosed ... intermediate risk of disease ... positive predictive value ... #Diagnosis #Workup
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity - A low value ... hallmark for the disease ... If the value is ... low, tests to detect ... #Workup #Hematology
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... for glomerular disease ... C3, C4 - Test for ... of glomerular disease ... #workup #diagnosis
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Differential Diagnosis ... • Autoimmune diseases ... appreciate the value ... especially in the setting ... CBC #hematology #pathophysiology
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
and pernicious anemia ... Person Syndrome Pathophysiology ... disorders • Testing ... antibody that works ... Management #treatment #neurology