40 results
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
Lymphohistiocytosis (HLH ... Clinical Features: Fever ... Neutropenia, ↑ AST & ALT ... 8 criteria: • Fever ... Lymphohistiocytosis #diagnosis #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
• Clinical: fever ... biologics (CMV +++, EBV ... Unknown cause Treatment ... diagnosis #management #treatment ... #summary #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
the disease is also ... following: • Fever ... • Bicytopenia Treatment ... diagnosis #management #treatment ... #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (HLH ... - Nonremitting fever ... hypersensitivity syndromes • HLH ... Treatment: • Corticosteroids ... #Rheumatology
Idiopathic Inflammatory Myopathies - 
Dermatomyositis (DM), Immune-Mediated Necrotizing Myopathy (IMNM), Antisynthetase Syndrome (ASS), Inclusion Body Myositis
Antisynthetase Syndrome (ASS ... Body Myositis (IBM ... Idiopathic #Myopathy #Comparison ... Managment #algorithm #Rheumatology
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Spherocytes • Treatment ... Mycoplasma, HIV, EBV ... transient hemolysis • Treatment ... Hemolytic #Anemia #hematology ... #diagnosis #comparison
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
: High spiking fever ... Systemic AOSD: high fever ... , CRP, AST+ALT, ... synovitis (40%) Treatment ... Disease #AOSD #rheumatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad: Fever ... Coxsackie, CMV, EBV ... diagnosis #management #treatment ... #rheumatology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
explain symptoms • Fever ... : 33% • Treatment ... pulmonary edema) • Fever ... : No • Treatment ... #diagnosis #comparison
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
Fever vs Hyperthermia ... Fever: • Regulated ... production • Treatment ... can cause harm as ... #Hyperthermia #comparison