19 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
methotrexate) • Drugs Autoimmune ... CLL • APLA Alloimmune ... Non-lmmune: • HELLP Syndrome ... HUS • DIC • Vasculitis ... Algorithm #Causes #Hematology
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Tunnel, Sicca Syndrome ... Disease, Rheumatoid Vasculitis ... Instability, Felty's Syndrome ... RA #diagnosis #rheumatology ... #signs #symptoms
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... less systemic symptoms ... , holster sign, ... anti-synthetase syndrome ... Myositis #diagnosis #rheumatology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Asthma Tugs (vasculitis ... / autoimmune): ... Hypereosinophilic Syndrome ... Diagnosis #Causes #hematology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Butterfly rash, Vasculitis ... Demyelinating syndromes ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: • Behçet Syndrome ... • Cogan Syndrome ... Presentation - Systemic Symptoms ... purpura: strong sign ... differential #diagnosis #rheumatology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Dehydration • Symptoms ... changes, stroke symptoms ... WBC >100k, + lab signs ... tumor burden • Symptoms ... diagnosis #management #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... Cold Agglutinin Syndrome ... Viral infection, autoimmune ... CLL (older) • Autoimmune ... hemolytic #anemia #hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... panuveitis, retinal vasculitis ... meningitis), MCC CNS symptoms ... diagnosis #management #signs ... #symptoms #rheumatology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Cryofibrinogenemia Symptoms ... associated with autoimmune ... malignancies, vasculitis ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology