9 results
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
and Management Summary ... Manifestations: Malar ... versus DIL • ... Positive in 60-80% of cases ... #rheumatology
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 ... Discontinuation of causal ... #table #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Summary Cryoglobulins ... causing endothelial injury ... • They can cause ... (e.g. systemic lupus ... classification #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Phagocytosis of blood ... Leishmaniosis, malaria ... Autoimmune diseases: SLE ... Drugs, Unknown cause ... #rheumatology
Drug Induced Lupus (DIL)
 • Epidemiology: -10% of all lupus cases, drug-dependent, 4:1 to 1:1 F:M
Drug Induced Lupus ... & NPSLE rare, Malar ... , SCLE-DIL (terbinafine ... Discontinuation of causal ... #DIL #rheumatology
Cryofibrinogenemia Summary

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

Cryofibrinogenemia:
 • The precipitation of a
Cryofibrinogenemia Summary ... which can plug blood ... cryoglobulins • Negative causes ... Calciphylaxis • Cryoglobulinemia ... skin necrosis • DIC
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... such as systemic lupus ... Large Vessel: Blood ... vasculitis, and SLE ... differential #diagnosis #rheumatology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
One Pager Summary ... pain, dark urine, DIC ... Causes purpura & ... Related Acute Lung Injury ... tested include: Malaria
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
pain, dark urine, DIC ... Causes purpura & ... Related Acute Lung Injury ... TRALI): Leading cause ... tested include: Malaria