16 results
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
for Celiac Disease ... negative predictive value ... for celiac disease ... #Disease #Testing ... #Laboratory #Tests
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
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... HELLP - Grafts, Valves ... Hypophostphatemia Laboratory ... Tests: - Haptoglobin ... #Diagnosis #hematology
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
hydrogen breath test ... A/P, Consider testing ... for celiac and/ ... for celiac disease ... Workup #diagnosis #differential
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... smear, HIV/HCV testing ... PT, aPTT(liver disease ... K), H. pylori test ... thyroid function test
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... activity - A low value ... hallmark for the disease ... If the value is ... WBC count and differential
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Capitis - Skin Disease ... • Pull test ... Tests: • TSH ... #Diagnosis #dermatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Positive Coombs testing ... younger pts) Differential ... • Diagnostic Test ... Donath-Landsteiner test ... hemolytic #anemia #hematology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Connective tissue diseases ... pulmonale, in advanced disease ... Bronchoscopy Laboratory ... Sweat chloride test ... Bronchiectasis #pulmonary #differential
Low Back Pain (Lumbago) - Common Differential Diagnosis and Patterns

Mechanical Low Back Pain:
Aching pain in the
Lumbago) - Common Differential ... or inflammatory disease ... pain below the knee ... Pain vague but usually ... BackPain #Lumbago #Differential