17 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Diagnosis Algorithm Signs ... Hemolysis: • Autoimmune ... • Extrinsic RBC ... • Intrinsic RBC ... Diagnosis #Algorithm #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... Index > 3: • Acute ... • Hemolysis: Autoimmune ... , Intrinsic RBC ... Production #Index #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... elliptocytosis, autoimmune ... ARUPLabs #Hemolytic #Anemia ... Algorithm #workup #hematology ... #testing
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Cold AIHA • Alloimmune ... elliptocytosis - RBC ... immune-complex hemolytic anemia ... • Acute HTR ... Algorithm #Causes #Hematology
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
Multi-system autoimmune ... pericarditis • Hepatic: PBC ... Scleroderma #SSc #rheumatology ... #diagnosis #signs ... #symptoms #testing
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Bandemia Overview ... Corticosteroid use • Autoimmune ... especially in the setting ... #CBC #hematology ... #pathophysiology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Vmphocytosis on routine CBC ... 5) Symptoms of anemia ... marrow failure with anemia ... Lymphocytic #Leukemia #oncology ... #hematology #hemeonc
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
ATRA treatment Pathophysiology ... • Rare: DAH, acute ... , Anaphylaxis, Acute ... diagnosis #management #hematology ... #oncology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... - ACS, AKI, acute ... >100k, + lab signs ... Lysis Syndrome: • Pathophysiology ... diagnosis #management #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral infection, autoimmune ... Positive Coombs testing ... Blood smear - RBC ... CLL (older) • Autoimmune ... #hematology #diagnosis