294 results
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Reactive: • Anemia ... deficiency) • Infection ... Sepsis • Non-infectious ... (malignancy, rheumatologic ... causes #Platelets #hematology
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Connective Tissue, Infections ... Lymphocytosis: Infection ... Lymphocytopenia: Infections ... • Neutropenia: Infections ... • Monocytosis: Infection
Congenital Infections - Comparison Table:
Infections: Toxoplasma, Rubella, CMV, Treponema, Parvovirus B19, VZV, Herpes, Enterovirus
Manifestations: Anemia, Bony
Congenital Infections ... Comparison Table: Infections ... Rubella, CMV, Treponema ... Manifestations: Anemia ... #Congenital #Infections
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Algorithm Signs of anemia ... Hypersplenism, Infection ... #Hemolytic #Anemias ... Diagnosis #Algorithm #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
hemolysis, deficiency anemia ... Inflammatory Conditions: Rheumatologic ... TPO, TPO-RA • Infections ... : Chronic infections ... bacterial and viral infections
Causes of Hemolytic Anemia - Differential Diagnosis
Inherited
 • Membrane
 • Internal
    - Hemoglobin
Causes of Hemolytic Anemia ... Internal - Infectious ... #Hemolytic #Anemia ... Diagnosis #Causes #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
particular degree of anemia ... Index < 2: • Anemia ... (e.g. cancer, infection ... G6PD deficiency), Infections ... Production #Index #hematology
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
feel weak": • Infectious ... ILD, OSA, pHTN, Anemia ... Critical illness, Infection ... ↓, Malignancy, Infection
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
Non-HCV infectious ... Specific anti-infectious ... related to HBV infection ... absence of anti-infectious ... Cryoglobulinemia #Vasculitis #Rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Microangiopathic hemolytic anemia ... Mycoplasma pneumoniae infection ... spherocytosis) • Infections ... differential #diagnosis #hematology ... #anemia