33 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
lymphoproliferative disorders ... Mycoplasma pneumoniae infection ... spherocytosis) • Infections ... Extravascular #Causes #differential ... #diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Due to Viral infection ... Polyclonal - Viral Infection ... Diagnosis: • hemolytic ... Check For: • Infections ... #anemia #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
- Differential ... Diagnosis Algorithm ... • Sickle cell ... circulation - Infections ... #Causes #Hematology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
e.g., HIV), EBV infection ... Etiology: - Infections ... Diagnosis of B-Symptoms ... #oncology #diagnosis ... hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis): • Acute infection ... iron deficiency, hemolysis ... Chronic inflammatory disorders ... myeloid leukemia (CML ... #hematology #secondary
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Diagnosis Algorithm ... Infectious • ... Myeloproliferative disorders ... Serum Sickness Hemolytic ... #Causes #Hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Malaise, bleeding, infections ... pain, bleeding, infections ... bruising, bleeding, infection ... #Leukemia #Hematology ... #Oncology #Diagnosis
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... Consider sickle cell ... inclusions - If infection ... Consider RBC membrane disorder ... #workup #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Diagnosis Framework ... Internal (RBC) - Infections ... Defects: Sickle cell ... Diagnosis #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... drug reaction, infection ... Strongyloides infection ... #Algorithm #Differential ... #diagnosis #hematology