51 results
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
with Normal Mean ... PRV, Chronic) Normal ... Polychromatic Macrocytes, Normal ... (MAHA) - Abnormal ... Algorithm #Causes #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Algorithm Normal ... Target Cells, Normal ... WBCs - Normal ... Deficiency - Abnormal ... Algorithm #Causes #Hematology
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
PT (INR), Normal ... PTT, Normal PT ... PTT, Normal PT ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Investigation of Abnormal ... PT - Prolonged ... #Coagulation #Abnormal ... APTT #Laboratory #Hematology ... #Diagnosis #Workup
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... - Differential Diagnosis ... Reticulocytes • Abnormal ... #Differential #Diagnosis ... #Algorithm #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
- Differential Diagnosis ... Chronic Disease Normal ... Renal Disease, Liver ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
Laboratory • Normal ... type 2B) • Normal ... PT/INR • Normal ... VonWillebrand #Disease #Diagnosis ... #Hematology
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
to Evaluate an Abnormal ... Artifactually Prolonged ... ISNeducation #Abnormal ... #APTT #prolonged ... #diagnosis #hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... some patients) Normal ... : Alcohol use, Liver ... #differential #diagnosis ... #causes #hematology
Calculating a Reticulocyte Index (RI)
Reticulocyte Index = Absolute Reticulocyte Count / Maturation Correction
Absolute Reticulocyte Count =
Patient's Hct / Normal ... Index #RI #RPI #hematology ... #diagnosis #anemia