11 results
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
nose, ears, or fingers ... • Symptoms of anemia ... anemia • Cold ... #disease #hemolytic ... #anemia #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - ... hemoglobinuria) • Cold Agglutinin ... #Anemia #AIHA # ... Diagnosis #Table #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... anemia): ... . primary cold agglutin ... differential #diagnosis #hematology ... #anemia
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
RBC) Morphology Atlas ... spherocytosis, Hemolytic ... Schistocytes - Hemolytic ... RBC #Morphology #Atlas ... #differential #hematology
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 #
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
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Agglutination - Cold agglutinins ... ARUPConsult @ARUPLabs #Hemolytic ... #Anemia #Differential ... Algorithm #workup #hematology
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
with bacterial endocarditis ... Photo credit, Josh Fierer ... Clinical #Photo #Dermatology ... #SkinRash #Janeway ... #Lesions #Endocarditis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Microangiopathic Hemolytic ... spherocytosis, Autoimmune hemolytic ... Cold autoimmune hemolytic ... differential #diagnosis #hematology ... #microscopy #atlas