22 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
) Morphology Microcytic ... , Chronic disease ... Chemotherapy (e.g ... #Morphology #differential ... #diagnosis #hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Diagnosis Algorithm ... • Secondary (e.g ... RA, SLE, PRV, Chronic ... #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... • Intrinsic RBC ... #differential # ... diagnosis #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... of Chronic Disease ... • Bleeding • Hemolysis ... of Chronic Disease ... #Causes #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... • Anemia of Chronic ... Disease • Marrow ... #Classification ... #Causes #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... PD deficiency, Pulmonary ... #key #diagnosis ... #differential # ... hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... other reproducible morphologic ... #Anemia #Differential ... #workup #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... iron deficiency, hemolysis ... Myelodysplastic syndrome ... #Diagnosis #Causes ... #hematology #secondary
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
kidney disease, ... RBC defects (e.g ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... , deficiency anemia ... • Infections: Chronic ... #hematology