11 results
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 ... #rheumatology
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
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
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
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Petechial or purpuric rash ... erythematosus [SLE ... with leukopenia, anemia ... #Management #Hematology ... #Rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Fibrinogen level, ↑ sIL ... Autoimmune diseases: SLE ... Unknown cause Treatment ... #management #treatment ... #summary #rheumatology
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
NPSLE rare, Malar rash ... SCLE-DIL (terbinafine ... constitutional symptoms • Treatment ... #rheumatology # ... diagnosis #treatment
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Lymphocytic Leukemia - Summary ... non-Hodgkin lymphoma SLL ... • Neutropenia, anemia ... microglobulin Treatment ... workup #oncology #hematology
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
Summary of Oncologic ... syndrome): - Hematologic ... interventional radiology ... - CRS: fever, rash ... Oncology #HemeOnc #Diagnosis