21 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
for Hemolysis - ... Intravascular Hemolysis ... lymphoproliferative disorders ... #differential # ... diagnosis #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Differential Diagnosis ... #Hemolytic #Anemia ... #Diagnosis #Table ... #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Hemolytic Anemia ... reticulocytes • Hemolysis ... #Hemolytic #Anemia ... #diagnosis #management ... #treatment #rheumatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... hemolysis) ARUPConsult ... @ARUPLabs #Hemolytic ... #Anemia #Differential ... #workup #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Microangiopathic Hemolytic ... Unstable hemoglobin disorders ... hemolytic anemia ... hemolytic anemia ... #diagnosis #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... iron deficiency, hemolysis ... (e.g. autoimmune ... #Diagnosis #Causes ... #hematology #secondary
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... • Compensated hemolysis ... intravascular hemolysis ... #hemolytic #anemia ... #hematology #diagnosis
Causes of Anemia in Cirrhosis - Differential Diagnosis Framework
LOW RETIC INDEX - ↓ PRODUCTION
 • Vitamin
Causes of Anemia ... RETIC INDEX: • Blood ... , Autoimmune hemolytic ... anemia, Hemolysis ... #Diagnosis #Hepatology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Membrane): - Autoimmune ... - Peripheral Blood ... Urobilinogen #Hemolysis ... Diagnosis #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Chronic kidney disease ... Retroperitoneal, Uterine • Hemolysis ... hemolytic anemia ... Production #Index #hematology ... #anemia #differential