30 results
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... C3 positive or negative ... mediated - DAT: IgG negative ... Pathophysiology #diagnosis ... #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... - Differential Diagnosis ... AIHA (7-8%) DAT-negative ... #Differential #Diagnosis ... #Table #hematology
Approach to Gout
Diagnosis: r/o septic arthritis! Needle-shaped, negative birefringent crystals
Treatment:
 • Weight loss, diet, d/c culprit
Approach to Gout ... Diagnosis: r/o ... Needle-shaped, negative ... #diagnosis #management ... treatment #ULT #rheumatology
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
DAT Results in Autoimmune ... Hemolysis DAT Negative ... antiglobulin #test #DAT #Autoimmune ... #Hemolysis #hematology ... #diagnosis
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Warm vs Cold Autoimmune ... Hemolytic Anemia Warm Autoimmune ... Splenectomy Cold Autoimmune ... Hemolytic #Anemia #hematology ... #diagnosis #comparison
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... Rheumatologic Disease ... fever • Lyme • Gout ... aureus • Gram-negative ... #MSK #rheumatology
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Viral hepatitis, Autoimmune ... - Malignancy, Autoimmune ... Summary #table #comparison ... #diagnosis #hematology
Syphilis - Diagnosis and Management - Primary vs Secondary vs Tertiary
Primary Syphilis
 • Localized lymphadenopathy
 •
Syphilis - Diagnosis ... 30-40%) - Negative ... treponemal tests rule out ... Secondary #Tertiary #Comparison ... #Diagnosis #Management
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
culture used to diagnose ... Needle-shaped, negatively ... stain and culture- Diagnose ... #Comparison #rheumatology ... #Diagnosis
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Associated Features: Diagnosis ... exclusion Necrotizing Autoimmune ... over years, often diagnosed ... #differential #diagnosis ... #comparison #rheumatology