16 results
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic Anemia ... (AIHA) - Differential ... AIHA (7-8%) DAT-negative ... #AIHA #Differential ... Diagnosis #Table #hematology
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Warm vs Cold Autoimmune ... Lymphoproliferative disorder ... , Autoimmune disorder ... #hematology #diagnosis ... #comparison
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
• Symptoms of anemia ... • hemolytic anemia ... for anti-C3d and negative ... younger pts) Differential ... #hematology #diagnosis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Unstable hemoglobin disorders ... Cell Agglutinate: Cold ... , Paroxysmal cold ... RBC #Morphology #differential ... #diagnosis #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... - Hemolytic anemia ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(e.g. primary cold ... lymphoproliferative disorders ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential ... disorders-rare ... Megaloblastic anemia-rare ... #differential # ... diagnosis #causes #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Agglutination - Cold ... Consider RBC membrane disorder ... Algorithm #workup #hematology
Hematology Algorithms 

Anemia is described as a reduction in the proportion of the red blood cells.
Hematology Algorithms ... primarily seen as neutropenia ... involves production disorders ... that involves disorders ... These causes could
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... practices that could ... changes), high MCV anemia ... #Differential # ... Causes #Workup #hematology