18 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Autoimmune (AIHA)"Cold ... (e.g. primary cold ... lymphoproliferative disorders ... Extravascular #Causes #differential ... #diagnosis #hematology
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Increased red cell ... Increased red cell ... #Algorithm #Differential ... #Causes #Workup ... #Hematology #Diagnosis
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... Agglutination - Cold ... Consider RBC membrane disorder ... Diagnosis #Algorithm #workup ... #hematology #testing
Ascites - Differential Diagnosis and Workup Algorithm

•
Perform paracentesis:
 • Cell count and diff 
 • Total
Ascites - Differential ... Diagnosis and Workup ... paracentesis: • Cell ... #Differential # ... gastroenterology #hepatology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential ... Warm AIHA • Cold ... • Sickle cell ... Extravascular #Differential ... Algorithm #Causes #Hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
lymphoproliferative disorder ... infection, autoimmune disorder ... malignancies - B-cell ... younger pts) Differential ... #anemia #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Unstable hemoglobin disorders ... Agglutinate: Cold ... anemia, Paroxysmal cold ... RBC #Morphology #differential ... #diagnosis #hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Splenomegaly - Differential ... Myeloproliferative disorders ... Serum Sickness Hemolytic ... Disease • Sickle Cell ... Algorithm #Causes #Hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Autoimmune: Warm AIHA, Cold ... Defects: Sickle cell ... #Differential # ... Diagnosis #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... evaluation or workup ... /µL Workup • Screen ... #Algorithm #Differential ... #diagnosis #hematology