27 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
- Differential Diagnosis ... Megakaryopoiesis • Aplastic Anemia ... Autoimmune • ITP • SLE ... • TTP/HUS • DIC ... #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... Rebound effect from treatment ... Inflammatory Conditions: Rheumatologic ... #Algorithm #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... Algorithm Spurious ... effect following treatment ... Iron deficiency anemia ... #Hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... SCLE-DIL (terbinafine ... Manifestations: Malar rash ... comparison #table #rheumatology ... #diagnosis #management
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
- Differential Diagnosis ... Algorithm Decreased ... RA, SLE, PRV, Chronic ... #Algorithm #Causes ... #Hematology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
) - Diagnosis and ... Manifestations: Malar rash ... versus DIL • ... life-threatening • Treatment ... Management #Summary #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... - Hemolytic anemia ... Splenomegaly - CTD (SLE ... Associated - SLE ... #hematology #rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... Algorithm • Sickle ... genotypes): SS, SC, SE ... #hematology #testing
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Systemic Lupus (SLE ... Photosensitivity, Butterfly rash ... ) Blood (75%): Anemia ... signs #symptoms #diagnosis ... #rheumatology
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
can present with rash ... including heliotrope rash ... Can also see mechanics ... after 2 years of treatment ... #rheumatology