8 results
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
Adult-Onset Still's ... Life-threatening ... #AdultOnset #Stills ... #rheumatology #diagnosis ... #management #treatment
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
frequently affects infants ... acute or subacute febrile ... If no response HLH ... #management #treatment ... #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
• Adult-onset Still ... erythematosus [SLE], AOSD ... Activation #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
• Clinical: fever ... , ↓ Fibrinogen level ... +, Adult-onset Still ... #management #treatment ... #summary #rheumatology
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
Adult Onset Still's ... extremities during febrile ... #disease #AOSD ... #diagnosis #rheumatology ... #management
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
recognition and management ... in febrile illness ... Onset: Usually in infancy ... Approach • Initial management ... #Management #Hematology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Mediated: • Febrile ... thrombocytopenia, may be life-threatening ... donors (due to anti-HLA ... #Transfusion #diagnosis ... #management #hematology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Mediated: - Febrile ... thrombocytopenia, may be life-threatening ... donors (due to anti-HLA ... #Transfusions #diagnosis ... #management #hematology