26 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... Intravascular Hemolysis ... Microangiopathic hemolytic ... • Intrinsic RBC ... differential #diagnosis #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
: Vitamin B12 or ... Microangiopathic Hemolytic ... hemolytic anemia ... hemolytic anemia ... differential #diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... elliptocytosis, autoimmune ... hemolysis) ARUPConsult ... @ARUPLabs #Hemolytic ... #hematology #testing
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Differential Diagnosis Table ... Cold Agglutinin Disease ... #Hemolytic #Anemia ... #hematology
Autoimmune Hemolytic Anemia (AIHA) Treatment
Warm AIHA:
1) Steroids - 1-2 mg/kg prednisone daily
   • Until
Autoimmune Hemolytic ... > 10, no more hemolysis ... esp if severe disease ... #Hemolytic #Anemia ... #management #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
loss), Vitamin B12 ... kidney disease, ... Retroperitoneal, Uterine • Hemolysis ... hemolytic anemia ... Production #Index #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Membrane): - Autoimmune ... , Drugs, Liver Disease ... Urobilinogen #Hemolysis ... Differential #Diagnosis #hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
-100): • Non-hemolytic ... anemia, CKD • Hemolytic ... - Extrinsic: Autoimmune ... Folate deficiency, B12 ... Differential #Diagnosis #hematology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Congenital Diseases ... Inflammatory and Autoimmune ... Antibody-mediated hemolysis ... consumption • Vitamin B12 ... Differential #Diagnosis #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
• Anemia of Chronic ... • Bleeding • Hemolysis ... , Chronic Infection ... (>100 fL) • B12 ... Algorithm #Causes #Hematology