14 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (HLH ... disease • Systemic lupus ... SJIA], systemic lupus ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH ... Drugs, Unknown cause ... 100 mg/m2) : in case ... Lymphohistiocytosis #diagnosis #management ... treatment #summary #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... Diagnosis and Management ... , oral ulcers, Lupus ... 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 ... Other: Transfusion reaction ... usually IgG) (e.g. lupus ... - Transfusion reaction ... Extravascular #Causes
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
(RA), Systemic lupus ... , Sarcoidosis, HLA-B27 ... (SPA) • Other Causes ... Mycobacterial Causes ... Differential #Diagnosis #rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Manifestations of Systemic Lupus ... autoantibodies that will cause ... Diagnosis of Lupus ... CNS #neurology #rheumatology ... cerebritis #diagnosis #management
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
suspected) • In case ... • Special cases ... Measurement #SLE #rheumatology ... pharmacology #levels #lupus ... #management
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
cases, drug-dependent ... Discontinuation of causal ... Usual therapeutic management ... comparison #table #rheumatology ... #diagnosis #management
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Causes purpura & ... TRALI): Leading cause ... donors (due to anti-HLA ... Transfusion #diagnosis #management ... #hematology #reactions
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Causes purpura & ... TRALI): Leading cause ... donors (due to anti-HLA ... Transfusions #diagnosis #management ... #hematology #reactions