1486 results
REBEL Review 79: Treatment of Hemophilia 

Walkina Out of Pt Room, You Should Know... 
1. Type
Factor Activity ... kg) x 0.5 x (% Activity ... - % Intrinsic Activity ... kg) x 1.0 x (% Activity ... #hemophilia #hematology
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
normal factor activity ... 50% of normal activity ... Study #diagnosis #hematology ... pathophysiology #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
d-dimer, ↓ NK cell activity ... fibrinogen • ↓ NK activity ... Lymphohistiocytosis #diagnosis #hematology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
Individual factor activity ... Serious: 100% factor activity ... Moderate: 50% factor activity ... Management #treatment #hematology
Hemophilia A Prophylaxis (Factor Eight Deficiency)

Who Needs Prophylaxis?

Primary Prophylaxis:
 • Severe deficiency (activity level <1%) even
Severe deficiency (activity ... Mild-to-moderate (Activity ... FactorEight #Deficiency #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Thrombocytopenic Purpura Activity ... factor-cleaving protease activity ... for this enzyme activity ... Diagnosis #Workup #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
absent NK cell activity ... management #treatment #hematology
Hemophagocytic Lymphohistiocytosis (HLH) Diagnostic Criteria - 2004 vs 2009

At least three of the following: 
 -
absent NK-cell activity ... Diagnosis #Criteria #Hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
Willebrand factor activity ... ristocetin cofactor activity ... Differential #Diagnosis #Hematology
Complications of Monoclonal Gammopathy of Undetermined Significance (MGUS)
Fracture, Osteoporosis
 - Increased osteoclast activity and bone resorption
Increased osteoclast activity ... Complications #diagnosis #hematology