43 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 ... Donath-Landsteiner HA (paroxysmal ... Autoimmune #Hemolytic #Anemia ... #AIHA #Differential
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Iron deficiency anemia ... Cell Agglutinate: Cold ... autoimmune hemolytic anemia ... , Paroxysmal cold ... RBC #Morphology #differential
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... for Hemolytic Anemia ... • AIHA: warm, cold ... incompatibility • Paroxysmal ... #Differential #
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Warm vs Cold Autoimmune ... Hemolytic Anemia ... Immunosuppression, Splenectomy Cold ... BostonChiefs #Warm #Cold ... hematology #diagnosis #comparison
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Microangiopathic hemolytic anemia ... Transfusion reaction, Paroxysmal ... Autoimmune (AIHA)"Cold ... (e.g. primary cold ... Extravascular #Causes #differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
• Symptoms of anemia ... • hemolytic anemia ... younger pts) Differential ... macroglobulinemia Paroxysmal ... disease #hemolytic #anemia
Differential Diagnosis of Headache - Table

 - Cluster headache
 - Migraine
 - Paroxysmal hemicrania
 - Short-lasting
Differential Diagnosis ... - Migraine - Paroxysmal ... Headache #Primary #Differential ... #Comparison #Table
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Differentiating Benign Paroxysmal ... Neuritis-Labyrinthitis BENIGN PAROXYSMAL ... ) • Epley maneuver ... saccade seen) • Epley ... diagnosis #neurology #comparison
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... deficiency • Fanconi’s anemia ... erythematosus • HLH • Paroxysmal ... #Pancytopenia #Differential
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Iron Deficiency Anemia ... vs Anemia of Chronic ... marrow iron stain-"gold ... Iron #Deficiency #Anemia ... Laboratory #Testing #Comparison