9 results
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic ... Anemia (AIHA) Pathophysiology ... BrighamMedRes #AIHA #Autoimmune ... #Hemolytic #Anemia ... #Pathophysiology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
, Vitamin B12, Folate ... Retroperitoneal, Uterine • Hemolysis ... : Autoimmune, Microangiopathic ... hemolytic anemia ... differential #diagnosis #calculation
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Algorithmic Approach to Anemia ... -100): • Non-hemolytic ... , CKD • Hemolytic ... - Extrinsic: Autoimmune ... Megaloblastic: Folate
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis ... and RES-mediated hemolysis ... Cold AIHA • Alloimmune ... within circulation ... anemia
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Vitamin B12 or Folate ... spherocytosis, Autoimmune ... hemolytic anemia ... Agglutinate: Cold autoimmune ... hemolytic anemia
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
of macrocytic anemia ... Hemorrhage or hemolysis ... elevated, but anemia ... but undiagnosed, folate ... #VitaminB12 #Folate
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
deficiency • Fanconi’s anemia ... Inflammatory and Autoimmune ... Antibody-mediated hemolysis ... Vitamin B12 • Folate
Causes of Anemia in Cirrhosis - Differential Diagnosis Framework
LOW RETIC INDEX - ↓ PRODUCTION
 • Vitamin
Causes of Anemia ... B12 deficiency, Folate ... syndrome, Spur cell anemia ... , Autoimmune hemolytic ... anemia, Hemolysis
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
breath, wasting, anemia ... Loss of teeth Anemia ... lead to iron and folate ... contribute to nonimmune hemolysis ... #AscorbicAcid #Pathophysiology