29 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
- Differential ... Diagnosis Algorithm ... : • Autoimmune ... Hypersplenism, Infection ... #hematology
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Hemolytic Anemia ... Spherocytes • Treatment ... • Treatment: Warm ... Plasmapheresis - VA Joint ... #hematology #diagnosis
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... idiopathic) - Autoimmune ... spherocytosis) • Infections ... Extravascular #Causes #differential ... #diagnosis #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... blood loss, Acute hemolysis ... Rebound effect from treatment ... : Chronic infections ... #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Diagnosis Secondary ... Thrombocytosis): • Acute infection ... iron deficiency, hemolysis ... disorders (e.g. autoimmune ... #hematology #secondary
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential ... Diagnosis Algorithm ... Cold AIHA • Alloimmune ... circulation - Infections ... #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Diagnosis Algorithm ... Myelofibrosis Infectious ... effect following treatment ... #Causes #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Approach to Anemia - Differential ... Diagnosis Framework ... - Extrinsic: Autoimmune ... Macroangiopathic, Infections ... #Diagnosis #hematology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Diagnosis Congenital ... Inflammatory and Autoimmune ... Antibody-mediated hemolysis ... deficiency Infections ... #Diagnosis #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
: Autoimmune, Microangiopathic ... hemolytic anemia ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation