38 results
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Anemia (AIHA) - Differential ... Diagnosis Table ... AIHA (7-8%) DAT-negative ... #Diagnosis #Table ... #hematology
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
Diagnosis and Management ... Direct antiglobulin test ... normal • DAT negative ... #Diagnosis #Management ... #Algorithm #hematology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
life Causes and clinical ... Disorientation, vertigo Diagnostic ... Cold #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... Diagnosis Algorithm ... Amy Chung, MD, MSc ... Blood #Disorders #hematology ... #Diagnosis #Algorithm
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Pathogenesis and Clinical ... Stabbing) - Negative ... Straight Leg Raise Test ... MeralgiaParesthetica #MSK ... pathophysiology #differential
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... ANAs; thus, a negative ... (to support a diagnosis ... ANA and RF (if clinical ... #testing #Rheumatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... prior signs or clinical ... - **MSK rads ... Differential diagnosis ... #msk #rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral Infection Clinical ... for anti-C3d and negative ... younger pts) Differential ... Test: Donath-Landsteiner ... test #cold #
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
value is low, tests ... indirect antiglobulin tests ... - Negative, ruling ... WBC count and differential ... #Workup #Hematology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
-15% If SLE is clinically ... suspected, tests ... Negative association ... #rheumatology # ... table #ANA