15 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Algorithm Signs of anemia ... Anemias (AIHAs) ... Anemias (AHAs) ... Diagnosis #Algorithm #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - ... #Autoimmune #Hemolytic ... #Anemia #AIHA # ... Diagnosis #Table #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Immune-Mediated • Warm AIHA ... • Cold AIHA ... • Drug-induced AIHA ... anemia • ... Algorithm #Causes #Hematology
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... Anemia (AIHA) Pathophysiology ... #Autoimmune #Hemolytic ... #Anemia #Pathophysiology ... #diagnosis #hematology
Autoimmune Hemolytic Anemia (AIHA) Treatment
Warm AIHA:
1) Steroids - 1-2 mg/kg prednisone daily
   • Until
Autoimmune Hemolytic ... Anemia (AIHA) Treatment ... > 10, no more hemolysis ... #Anemia #AIHA # ... Treatment #management #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... - Autoimmune (AIHA ... - Autoimmune (AIHA ... differential #diagnosis #hematology ... #anemia
Osler's Nodes: Painful, erythematous nodules associated with bacterial endocarditis. 
Photo credit, Josh Fierer, M.D.

Charlie Goldberg, M.D.
with bacterial endocarditis ... Photo credit, Josh Fierer ... Clinical #Photo #Dermatology ... #SkinRash #OslersNodes
Vasculitis: In this instance, the vasculitic skin lesions were secondary to Haemophilus endocarditis.
Photo credit, Josh Fierer,
to Haemophilus endocarditis ... Photo credit, Josh Fierer ... Clinical #Photo #Dermatology ... #SkinRash #Vasculitis ... #Endocarditis #
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Autoimmune: Warm AIHA ... , Cold AIHA, Transfusion ... Defects: Sickle cell anemia ... Urobilinogen #Hemolysis
Janeway Lesions: Flat, painless, erythematous lesions seen on the palm of this patient's hand. Frequently
associated with
with bacterial endocarditis ... Photo credit, Josh Fierer ... Clinical #Photo #Dermatology ... #SkinRash #Janeway ... #Lesions #Endocarditis