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

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic Anemia ... AIHA (48-70%) Cold ... HA (paroxysmal cold ... Autoimmune #Hemolytic #Anemia ... Diagnosis #Table #hematology
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic Anemia ... Pathophysiology - Warm vs Cold ... Smear: spherocytes Cold ... Autoimmune #Hemolytic #Anemia ... Pathophysiology #diagnosis #hematology
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
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
iron deficiency anemia ... Autoimmune hemolytic anemia ... Cell Agglutinate: Cold ... , Paroxysmal cold ... differential #diagnosis #hematology
Janeway Lesions in Endocarditis seen on Physical Exam 

Dr Supradip Ghosh
@dr_supradip

36 year old male with history
dr_supradip 36 year old ... sister shared these photos ... Infective Endocarditis could ... PhysicalExam #clinical #photo ... #dermatology #soles
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin ... • Symptoms of anemia ... • hemolytic anemia ... disease #hemolytic #anemia ... #hematology #diagnosis
Urticaria (hives): Skin reaction that occurs in response to cold, food allergies, meds, environmental exposures, stings,
infections
in response to cold ... Images #Clinical #Photo ... #Dermatology #SkinRash
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Warm AIHA • Cold ... Complement-Mediated • Cold ... immune-complex hemolytic anemia ... Algorithm #Causes #Hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
for Hemolytic Anemia ... • AIHA: warm, cold ... #Hemolytic #Anemia ... classification #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Microangiopathic hemolytic anemia ... Autoimmune (AIHA)"Cold ... (e.g. primary cold ... differential #diagnosis #hematology ... #anemia