931 results
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Neutropenia - Differential ... Diagnosis Algorithm ... Antineoplastic Viral Infection ... Septicemia • Gram Positive ... #Causes #Hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Due to Viral infection ... dehydrogenase • Positive ... younger pts) Differential ... hemolytic #anemia #hematology ... #diagnosis
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
invasive fungal infection ... (IFI) in hematologic ... surfaces - Infections ... BAL GM does not differentiate ... Galactomannan #diagnosis
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Neutrophil (Normal) Differential ... Diagnosis: • ... odds of having positive ... #Bandemia #differential ... #WBC #CBC #hematology
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
and Leukopenia - Differential ... Diagnosis • Eosinophilia ... Leukocytosis #Leukopenia #Differential ... #Diagnosis #causes ... #hematology
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Pancytopenia - Differential ... Diagnosis Algorithm ... malignancies • Infection ... #Neutropenia #Differential ... #Diagnosis #Algorithm
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
History of EBV infection ... lymph node biopsy (diagnostic ... Immunohistochemical studies (to differentiate ... and usually CD15 positive ... classification #hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - Differential ... Diagnosis Platelet ... deficiency) • Infection ... #Diagnosis #causes ... #Platelets #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Diagnosis Algorithm ... Myelofibrosis Infectious ... Thrombocytosis #Differential ... #Diagnosis #Algorithm
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
negative vs gram positive ... febrilepodcast] #ID #Infectious ... Diseases #Infections ... Microbiology #Micro #Differential ... #Ddx #Diagnosis