218 results
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Connective Tissue, Infections ... Lymphocytosis: Infection ... Lymphocytopenia: Infections ... • Neutropenia: Infections ... Diagnosis #causes #hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
deficiency) • Infection ... Sepsis • Non-infectious ... Myelofibrosis • Chronic ... causes #Platelets #hematology
Here is a quick guide on the common direct-acting antivirals (DAAs) for chronic hepatitis C virus
antivirals (DAAs) for chronic ... C virus (HCV) infection ... infectiousdisease #hepatology ... HepatitisC #Management #Pharmacology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... TPO, TPO-RA • Infections ... : Chronic infections ... bacterial and viral infections ... Diagnosis #Algorithm #hematology
Interpretation of Hepatitis B Serologies 
HBsAg - HBcAb (total) - HBcAb (IgM) - HBsAb
Susceptible to HBV
Immune
due to past HBV infection ... HBV Resolved infection ... infection vs Resolving ... acute infection ... serology #diagnosis #hepatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Polycythemia Vera • Chronic ... Myelofibrosis Infectious ... : • Acute or Chronic ... Non malignant hematologic ... Algorithm #Causes #Hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Pseudotumor - Infectious ... History of Bleeding, Infection ... Age > 50 • Chronic ... Algorithm #Causes #Hematology
Isolated Neutropenia - Differential Diagnosis Algorithm
Chronic (>3 months):
 • Extrinsic: Vitamins
 • Intrinsic: Congenital, Inflammatory
Transient:
 •
Diagnosis Algorithm Chronic ... Inflammation: Infectious ... , Non-infectious ... Diagnosis #Algorithm #hematology
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Infiltration: • Hematologic ... and non-hematologic ... malignancies • Infection ... Algorithm #Causes #Hematology
V2 Distribution Zoster: Patient with herpes zoster infection of the maxillary branch of the fifth cranial
herpes zoster infection ... likely than V1 infections ... Photo credit, Simerjot ... Images #Clinical #Photo ... #Dermatology #SkinRash