2773 results
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Lymphohistiocytosis (HLH ... / Diagnosis: HLH ... cell activity • Ferritin ... If no response HLH ... Lymphohistiocytosis #diagnosis #management
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH ... dysfunction, ↑ Ferritin ... • Familial HLH ... XLP) Acquired HLH ... Lymphohistiocytosis #diagnosis #management
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (sHLH ... lymphohistiocytosis (HLH ... hypersensitivity syndromes • HLH ... dehydrogenase • ↑ Ferritin ... Syndrome #Diagnosis #Management
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
Lymphohistiocytosis (HLH ... lab findings in HLH ... : ↑↑ ferritin, Anemia ... consistent with HLH ... cell lines) • ↑ ferritin
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
HLH 2. ... histoplasmosis #Ferritin
Causes of Hyperferritinemia - Differential Diagnosis
Ferritin > 1000
Ferritin is the storage form of iron. Increased hepcidin
Differential Diagnosis Ferritin ... > 1000 Ferritin ... hepcidin prevents ferritin ... HLH or Adult Onset ... In adults, HLH is
Iron Panel Interpretation

Iron deficiency - ↓ Iron, ↑-nl Transferrin / TIBC, ↓ Transferrin Saturation,  ↓
Saturation, ↓ Ferritin ... Saturation, ↑-nl Ferritin ... Saturation, ↓-↑-nl Ferritin ... Saturation, ↑-nl Ferritin
Proposed Treatment Algorithm for MAS / HLH

#MAS #HLH #Hemophagocytic #Lymphohistiocytosis #Management #Treatment #Algorithm #Hematology
Algorithm for MAS / HLH ... #MAS #HLH #Hemophagocytic ... Lymphohistiocytosis #Management
Hypoplastic Left Heart Syndrome (HLHS)
 • Introduction
 • Embryology
 • Anatomy
 • Physiology of HLHS
 •
Heart Syndrome (HLHS ... Physiology of HLHS ... Pre-operative Management ... Options • Post-op Management ... LeftHeart #Syndrome #HLHS
Iron Deficiency in Heart Failure - Diagnosis and Treatment Algorithm
Diagnosis: Ferritin <100 ng/mL (absolute ID) OR
Algorithm Diagnosis: Ferritin ... absolute ID) OR Ferritin ... heartfailure #diagnosis #management