15 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Thalassemia, Iron ... elliptocytosis, Severe iron ... Diseases #Red #BloodCell ... #differential #diagnosis ... #hematology #microscopy
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
- Differential Diagnosis ... Bleed • Hemolysis ... • Early Iron ... Deficiency # ... Algorithm #Causes #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... • Microcytic - Iron-deficiency ... spherocytosis, Hemolytic ... , Thalassemia, Iron-deficiency ... Morphology #Atlas #key #diagnosis
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential Diagnosis ... hypertension • Unusual RBC ... #Differential #Diagnosis ... #Algorithm #workup ... #hematology #testing
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential Diagnosis ... inflammation) • Iron ... -100): • Non-hemolytic ... Spherocytosis, G6PD, PK, HbC ... #hematology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... acute blood loss, hemolysis ... erythropoietin (EPO), iron ... substrate (e.g. iron ... #Workup #Hematology
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
: CBC with diff, ... LDH, ESR, CRP, iron ... ↑ Destruction (hemolysis ... #Algorithm #hematology ... #workup
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... deficiencies: Iron ... deficiency (including ... anemia, Intrinsic RBC ... #differential #diagnosis
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... Artifact (redo CBC ... effect following treatment ... malignancy • Iron ... deficiency anemia
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
for workup, including ... blood loss, Acute hemolysis ... , deficiency anemia ... Rebound effect from treatment ... Inflammatory Conditions: Rheumatologic