18 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
- Differential Diagnosis ... Autoimmune • ITP • SLE ... Alloimmune • anti-HLA antibodies ... Non-lmmune: • HELLP Syndrome ... Algorithm #Causes #Hematology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Auto-Antibodies ... Lupusreference #SLE ... autoantibodies #signs ... #symptoms #mimickers ... #differential #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
context of other symptoms ... ), Sjogren's Syndrome ... Arthritis, Sjögren Syndrome ... ANA #patterns #rheumatology ... #diagnosis #differential
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Systemic Lupus (SLE ... Demyelinating syndromes ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
less systemic symptoms ... , holster sign, ... anti-synthetase syndrome ... Can also see mechanics ... #rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Sensitive Antibodies ... Donath-Landsteiner Antibodies ... Cold Agglutinin Syndrome ... Donath-Landsteiner (IgG) antibodies ... hemolytic #anemia #hematology
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 ... #TLS #diagnosis ... #management #hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
meningitis), MCC CNS symptoms ... Oral aphthae : SLE ... • Arthritis: SLE ... #signs #symptoms ... #rheumatology #
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... pylori test (GI symptoms ... test, ANA (e.g., SLE ... anti-phospholipid antibodies ... Causes #Workup #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Non-autoimmune rheumatologic ... Induced Lupus: • Symptoms ... Erythematosus #Diagnosis ... #Rheumatology