21 results
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Signs of anemia ... : • Autoimmune ... Hypersplenism, Infection ... Matthew Ho, MD PhD ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Immune-mediated: - Autoimmune ... idiopathic) - Autoimmune ... Mycoplasma pneumoniae infection ... spherocytosis) • Infections ... differential #diagnosis #hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Algorithmic Approach ... - Extrinsic: Autoimmune ... aciduria, Drugs (e.g ... Matthew Ho, MD PhD ... Differential #Diagnosis #hematology
Autoimmune Hemolytic Anemia (AIHA) Treatment
Warm AIHA:
1) Steroids - 1-2 mg/kg prednisone daily
   • Until
Autoimmune Hemolytic ... Steroids - 1-2 mg/kg ... Polyclonal: - Infection ... AIHA #Treatment #management ... #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Differential Diagnosis Algorithm ... Cold AIHA • Alloimmune ... circulation - Infections ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Differential Diagnosis Algorithm ... methotrexate) • Drugs Autoimmune ... Vasculitis • Infection ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Differential Diagnosis Algorithm ... inclusions - If infection ... elliptocytosis, autoimmune ... Differential #Diagnosis #Algorithm ... #workup #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Differential Diagnosis Algorithm ... → Refer to hematology ... blood loss, Acute hemolysis ... Matthew Ho, MD PhD ... #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
. cancer, infection ... Retroperitoneal, Uterine • Hemolysis ... : Autoimmune, Microangiopathic ... hemolytic anemia ... Production #Index #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis): • Acute infection ... iron deficiency, hemolysis ... inflammatory disorders (e.g ... . autoimmune, TB ... Diagnosis #Causes #hematology