9 results
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Overwhelming clinical syndrome ... frequently affects infants ... acute or subacute febrile ... If no response HLH ... #management #treatment
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Auto-amplification loop Diagnosis ... • Clinical: fever ... , ↓ Fibrinogen level ... #management #treatment ... #summary #rheumatology
The Febrile Infant Step-by-Step Algorithm
This is an algorithm developed by European emergency physicians to identify low-risk
The Febrile Infant ... 92.0% and 46.9% #Diagnosis ... #EBM #Management ... #Pediatrics #Peds ... #Febrile #Infant
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 ... Infections (e.g., EBV ... #Management #Hematology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
- 80% have fever ... Treatment: - If ... febrile, give abx ... #TLS #diagnosis ... #management #hematology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... Subacute-Acute: • Common: fever ... Rare: DAH, acute febrile ... Differentiation #Syndrome ... #management #hematology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• History of EBV ... • Dyspnea • Fever ... lymph node biopsy (diagnostic ... marrow biopsy - if ... #oncology #management
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