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

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic Anemia ... (48-70%) Cold ... HA (paroxysmal cold ... hemoglobinuria) • Cold ... Autoimmune #Hemolytic #Anemia
Autoimmune Hemolytic Anemia (AIHA)

WARM AHA
- Primary - Idiopathics
- Secondary
Infectious
 • Viral- HIV, EBV, HCV, HEV
 •
Autoimmune Hemolytic Anemia ... (AIHA) WARM ... alpha-methyldopa COLD ... Autoimmune #Hemolytic #Anemia ... #Differential #Algorithm
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic Anemia ... - Warm vs Cold ... AIHA Warm AIHA: ... Smear: spherocytes Cold ... Autoimmune #Hemolytic #Anemia
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Differential Diagnosis Algorithm ... • Cold AIHA ... Complement-Mediated • Cold ... immune-complex hemolytic anemia ... Differential #Diagnosis #Algorithm
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Differential Diagnosis Algorithm ... Signs of anemia ... (AIHAs) • Alloimmune ... Differential #Diagnosis #Algorithm
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
for Hemolytic Anemia ... Hypersplenism • AIHA ... : warm, cold, drug ... #Hemolytic #Anemia ... Diagnosis #causes #classification
Autoimmune Hemolytic Anemia (AIHA) Treatment
Warm AIHA:
1) Steroids - 1-2 mg/kg prednisone daily
   • Until
Autoimmune Hemolytic Anemia ... (AIHA) Treatment ... Warm AIHA: 1) Steroids ... azathioprine Cold ... Autoimmune #Hemolytic #Anemia
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Interpretation Algorithm ... Hypertension, Anemia ... Non-Emphysematous COPD ... Emphysematous COPD ... Interpretation #Algorithm
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Microangiopathic hemolytic anemia ... - Autoimmune (AIHA ... - Autoimmune (AIHA ... )"Cold" (usually ... diagnosis #hematology #anemia
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Autoimmune: Warm AIHA ... , Cold AIHA, Transfusion ... Defects: Sickle cell anemia