17 results
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Normal RBCs • Acute ... Bleed • Hemolysis ... Microangiopathic Hemolytic ... #Hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis ... and RES-mediated hemolysis ... Intravascular - Hemolysis ... immune-complex hemolytic ... malformations #Hemolysis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... Intravascular Hemolysis ... Microangiopathic hemolytic ... #differential # ... diagnosis #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Antibody Autoimmune Hemolytic ... reticulocytes • Hemolysis ... • Blood smear: Differential ... 2) LOOK FOR a cause ... Antibody #Autoimmune #Hemolytic
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 ... #diagnosis #hematology ... #microscopy #atlas
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Index > 3: • Acute ... Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... Production #Index #hematology ... #anemia #differential
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
spherocytosis, Hemolytic ... Malignant tumors, Acute ... Schistocytes - Hemolytic ... key #diagnosis #differential ... #hematology
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... turnover • Acute ... blood loss • Hemolytic ... anemia • Splenomegaly ... Diagnosis #DM2 #Differential
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
hemorrhage and hemolysis ... intravascular hemolysis ... out an immune hemolytic ... the severity of hemolysis ... from ischemia WBC
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... Thrombocytosis): • Acute ... malignancies • Anemia ... iron deficiency, hemolysis ... #hematology #secondary