31 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... • Bleeding • Hemolysis ... (>100 fL) • B12 ... Diagnosis #Algorithm #Causes ... #Hematology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
- Anemia of chronic ... kidney disease ... - Vitamin B12 and ... Underproduction #Algorithm #hematology ... #differential #workup
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... : • Acute or Chronic ... disorders • Celiac disease ... effect following treatment ... #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... blood loss, Acute hemolysis ... • Infections: Chronic ... Diagnosis #Algorithm #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
deficiency anemia, Chronic ... Macrocytic RBC: Vitamin B12 ... Microangiopathic Hemolytic ... Cold autoimmune hemolytic ... differential #diagnosis #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
loss), Vitamin B12 ... kidney disease, ... Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... Production #Index #hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
kidney disease, ... Megaloblastic: Vitamin B12 ... Alcohol use, Liver disease ... differential #diagnosis #causes ... #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
RBCs on Smear • Chronic ... Deficiency • B12 ... Disease • Marrow ... Diagnosis #Algorithm #Causes ... #Hematology
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
non-essential drug/HDS treatments ... for alternative causes ... Alcohol-related liver disease ... hepatitis #DILI #DrugInduced ... Diagnosis #Algorithm #hepatology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
hallmark for the disease ... decrease in most cases ... hematuria (without casts ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology