57 results
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... : Acute blood loss ... hemolysis, deficiency anemia ... Rebound effect from treatment ... #Algorithm #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... effect following treatment ... Iron deficiency anemia ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
- Differential Diagnosis ... Reactive: • Anemia ... /blood loss (Fe ... #Differential #Diagnosis ... causes #Platelets #hematology
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Aplastic Anemia ... Diagnosis: • Pancytopenia ... Treatment: • Consider ... #diagnosis #management ... #treatment #hematology
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Autoimmune Hemolytic Anemia ... Autoimmune Hemolytic Anemia ... Spherocytes • Treatment ... transient hemolysis • Treatment ... #hematology #diagnosis
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
1) DIAGNOSE AIHA ... • Anemia: macrocytic ... type ± C3d • Blood ... #diagnosis #management ... #treatment #rheumatology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... disease, Acute blood ... loss, Anemia of ... #differential #diagnosis ... #causes #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... - Differential Diagnosis ... Algorithm Blood ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell ( ... Iron-deficiency anemia ... Sideroblastic anemia ... Morphology #Atlas #key #diagnosis ... #differential #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
the peripheral blood ... including chronic blood ... > 3: • Acute blood ... Production #Index #hematology ... #diagnosis #calculation