28 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... anemia): ... #differential # ... diagnosis #hematology ... #anemia
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... • Bleeding • Hemolysis ... (e.g. ... #MCV #Classification ... #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell ( ... Chemotherapy (e.g ... , McLeod blood group ... RBC #Morphology #differential ... #diagnosis #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... : Acute blood loss ... , Acute hemolysis ... , deficiency anemia ... Diagnosis #Algorithm #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
for Hemolytic Anemia ... : • Liver disease ... #Anemia #Differential ... #classification ... #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell ( ... Myelodysplastic syndrome ... uremic syndrome ... key #diagnosis #differential ... #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Chronic kidney disease ... Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... Production #Index #hematology ... #anemia #differential
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Algorithm Normal Blood ... Increased Requirement (e.g ... Myelodysplastic Syndromes ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... malignancies • Anemia ... iron deficiency, hemolysis ... Myelodysplastic syndrome ... #hematology #secondary
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Diagnosis Algorithm Blood ... Disease • Marrow ... #Classification ... Diagnosis #Algorithm #Causes ... #Hematology