13 results
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... • Compensated hemolysis ... younger pts) Differential ... #disease #hemolytic ... #anemia #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) (e.g. lupus, CLL ... . primary cold agglutin ... e.g. sickle cell disease ... Extravascular #Causes #differential ... #diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... Agglutination - Cold agglutinins ... #Anemia #Differential ... Diagnosis #Algorithm #workup ... #hematology #testing
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - Differential ... hemoglobinuria) • Cold Agglutinin ... Disease Mixed-type ... Diagnosis #Table #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... for workup, including ... blood loss, Acute hemolysis ... Vasculitides, IBD, Celiac disease ... Thrombocytosis #Platelets #Differential
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
hallmark for the disease ... hemorrhage and hemolysis ... WBC count and differential ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Graft Versus Host Disease ... Can lead to sepsis ... Borrellia (Lyme disease ... Transfusion #diagnosis #management ... #hematology #reactions
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Graft Versus Host Disease ... Can lead to sepsis ... Borrellia (Lyme disease ... Transfusions #diagnosis #management ... #hematology #reactions
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Heavy Chain disease ... • Coombs (-) hemolytic ... Sneddon-Wilkinson disease ... Paraproteinemias #Hematology ... #Monoclonal #Differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Syndrome Systemic disease ... brainstem lesions, aseptic ... ) Differential Diagnosis ... Syndrome #diagnosis #management ... signs #symptoms #rheumatology