68 results
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
recognition and management ... Common Signs and Symptoms ... Pathophysiology ... Treatment Approach ... #Management #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
symptoms can mimic ... Diagnosis via genetic ... • Bicytopenia Treatment ... #management #treatment ... #hematology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... hyperviscosity syndrome • Triggers ... into serum • Triggers ... Syndrome #TLS #diagnosis ... #management #hematology
Thyrotoxic Periodic Paralysis - Illness Script
 • Epidemiology: Asian men age 20-30 with hyperthyroidism of any
any etiology • Trigger ... and menses • Pathophysiology ... thyroid hormone • Symptoms ... or high T3 • Treatment ... Periodic #Paralysis #diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
) Pathophysiology ... Auto-amplification loop Diagnosis ... Unknown cause Treatment ... #management #treatment ... #summary #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH) Treatment
Primary HLH:
 - HLH-94 Protocol
    • Dexamethasone
) Treatment Primary ... varies depending on trigger ... autoimmune disease, treatment ... #Treatment #management ... #hematology
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
environmental triggers ... HLA-DR4 mutation ... old; F>M Signs/Symptoms ... Temporal #Arteritis #Pathophysiology ... #Diagnosis #Signs
Tetralogy of Fallot Summary
 • Anatomy
 • Incidence
 • Pathophysiology
 • Presentation
 • Common Variants
 •
• Incidence • Pathophysiology ... palliation • Post-Op Management ... Tetralogy #Fallot #diagnosis ... #management #cardiology ... peds #pediatrics #treatment
Polycythemia Vera (PV) - Diagnosis and Management Summary
Diagnostic Criteria:
 • Elevated hemoglobin and/or hematocrit AND
 •
Polycythemia Vera (PV) - Diagnosis ... and Management ... Summary Diagnostic ... #Management #Summary ... #treatment #hematology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
the study) • Triggers ... : ATRA treatment ... Pathophysiology ... : >3 symptoms, or ... #management #hematology