12 results
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Lupus (DIL): ... & NPSLE rare, Malar ... , SCLE-DIL (terbinafine ... Manifestations: Malar ... #table #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
and Management ... Manifestations: Malar ... versus DIL • ... Positive in 60-80% of cases ... #Summary #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... usually IgG) (e.g. lupus ... • Infections: Malaria ... Extravascular #Causes ... #anemia
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Hemolytic anemia ... Splenomegaly - CTD (SLE ... vasculitis/HSP • Cryoglobulinemia ... Associated - SLE ... #rheumatology #
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
causing endothelial injury ... • They can cause ... Cryoglobulins Cause ... (e.g. systemic lupus ... classification #rheumatology
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
& NPSLE rare, Malar ... , SCLE-DIL (terbinafine ... Discontinuation of causal ... #DIL #rheumatology ... diagnosis #treatment #management
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Fibrinogen level, ↑ sIL ... Leishmaniosis, malaria ... Autoimmune diseases: SLE ... Lymphohistiocytosis #diagnosis #management ... treatment #summary #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
SJIA], systemic lupus ... erythematosus [SLE ... with leukopenia, anemia ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... neuromuscular injury ... diseases: syßtemic lupus ... erythematosus (SLE ... ), sickle cell anemia
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
pain, dark urine, DIC ... Related Acute Lung Injury ... tested include: Malaria ... Transfusion #diagnosis #management ... #hematology #reactions