694 results
Megaloblastic Anemia vs Normal Peripheral Smear

#Megaloblastic #Anemia #Peripheral #Smear #Comparison #Clinical #Hypersegmented #Neutrophil
Megaloblastic Anemia ... Normal Peripheral Smear ... Megaloblastic #Anemia ... #Peripheral #Smear ... #Comparison #Clinical
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... Deficiency • Aplastic Anemia ... • Anemia of Chronic ... Non-lmmune #Anemia ... #Algorithm #Causes
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Megaloblastic Anemia ... Microangiopathic hemolytic anemia ... Autoimmune hemolytic anemia ... interpretation #clinical ... #anemia
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... Algorithm and Causes ... breakdown • Anaemia ... Hemolysis #Hemolytic #Anemia ... #Differential #Causes
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Autoimmune Hemolytic Anemia ... • Anemia: macrocytic ... C3d • Blood smear ... 2) LOOK FOR a cause ... Autoimmune #Hemolytic #Anemia
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... - Differential Diagnosis ... Algorithm Signs of anemia ... Abnormal peripheral smear ... #Differential #Diagnosis
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... Peripheral blood smear ... → Sickle Cell anemia ... Microangiopathic hemolytic anemia ... #Algorithm #causes
Elliptocyte - 
Note the shape of these appropriately named erythrocytes.
In addition to hereditary elliptocytosis, elliptocytes can
megaloblastic anemia ... myelophthisic anemia ... sideroblastic anemia ... #Clinical #Path ... BloodSmear #Blood #Smear
Laboratory Testing in Hemolytic Anemia

Intravascular vs Extravascular Hemolysis
Reticulocytes
Unconjugated bilirubin
LDH
Peripheral smear
Haptoglobin
Urine hemosiderin
Urine hemoglobin
Carboxyhemoglobin

#Hemolytic #Anemia #Laboratory #Testing #workup
Testing in Hemolytic Anemia ... LDH Peripheral smear ... #Hemolytic #Anemia ... Testing #workup #diagnosis
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Autoimmune Hemolytic Anemia ... or negative - Smear ... C3 positive - Smear ... Autoimmune #Hemolytic #Anemia ... Pathophysiology #diagnosis