31 results
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
Acquired von Willebrand ... and Management ... Lymphoproliferative disorders (e.g ... Myeloproliferative disorders (e.g ... #hematology #differential
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
- Differential Diagnosis ... • Thrombus (e.g ... Myeloproliferative disorders (eg ... Spherocytosis • Acquired ... Algorithm #Causes #Hematology
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
of Factor IX Acquired ... Malabsorption (e.g ... warfarin, DOACs (e.g ... Autoimmune disorders (e.g ... #hematology #deficiency
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
- Differential Diagnosis ... Rare • Drugs (e.g ... Vascular System - Acquired ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
infiltration (e.g ... Marrow suppression (e.g ... • "Hospital-acquired ... Intrinsic RBC defects (e.g ... #differential #diagnosis
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Polycythemia Differential Diagnosis ... Polycythemia - Acquired ... Paraneoplastic (e.g ... #Differential #Diagnosis ... #Algorithm #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Acquired deficiency ... Nonspecific inhibitors e.g ... to one factor e.g ... inhibitory drugs e.g ... Nonspecific inhibitor e.g
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
and laboratory diagnosis ... count, D-dimer, egg ... ) are required for ... hemolytic #anemia #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... function test, ANA (e.g ... evaluation: not required ... #Differential #Diagnosis ... Causes #Workup #hematology
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
inflammation (eg ... been reported (eg ... of Hepatitis (eg ... Histology Findings (eg ... #Management #Hepatology