201 results
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic Anemia ... (AIHA) Pathophysiology ... or negative - Smear ... C3 positive - Smear ... #Pathophysiology
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Peripheral Blood Smear ... Megaloblastic Anemia ... Autoimmune hemolytic anemia ... cells: Sickle cell disease ... Peripheral #Blood #Smear
Hemolytic anemia in Wilson's disease

#Wilsons #Disease #hemolytic #anemia #Hematology #pathophysiology
Hemolytic anemia ... in Wilson's disease ... #Wilsons #Disease ... #hemolytic #anemia ... #Hematology #pathophysiology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... Normochromic RBCs on Smear ... • Anemia of Chronic ... Disease • Marrow ... Spherocytes on Smear
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Normal Blood Smear ... • Pancreatic Disease ... Myelodysplastic Syndromes ... • Liver Disease
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Drug-associated, PCH, Evans Syndrome ... , Drugs, Liver Disease ... Defects: Sickle cell anemia ... Electrolytes: Wilson's disease ... Peripheral Blood Smear
Beautiful acanthocytes/spur cells in a patient with McLeod Syndrome. X-linked disorder characterized by reduced expression of
patient with McLeod Syndrome ... granulomatous disease ... SpurCells #McLeod #Syndrome ... #Smear #Pathology
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... Peripheral blood smear ... → Sickle Cell anemia ... malignancy, autoimmune disease ... Microangiopathic hemolytic anemia
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
, Liver diseases ... Myelodysplastic syndrome ... cells - Renal diseases ... , Liver diseases ... Hemolytic uremic syndrome
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Autoimmune Hemolytic Anemia ... DIAGNOSE AIHA • Anemia ... C3d • Blood smear ... Autoimmune #Hemolytic #Anemia ... #diagnosis #management