10 results
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
• Thrombus (e.g ... Myeloproliferative disorders (eg ... Spherocytosis • Acquired ... #Spleen #Enlarged ... #Causes #Hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Diagnosis Algorithm ... Destruction • Abnormal ... Rare • Drugs (e.g ... #Causes #Hematology
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
and Management ... Lymphoproliferative disorders (e.g ... Myeloproliferative disorders (e.g ... #treatment #hematology ... #differential
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Chronic Disease Normal ... 80-100 fL) • Bleeding ... Chronic Disease (e.g ... #Causes #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Increased Requirement (e.g ... Myelodysplastic Syndromes ... Deficiency - Abnormal ... #Causes #Hematology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Polycythemia - Acquired ... Causes: • Hypoxia-driven ... Paraneoplastic (e.g ... ), TEMPI (VEGF normal ... #hematology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
Diagnosis and Management ... in mild cases) ... hemophilia type (e.g ... Chronic Management ... #treatment #hematology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
not be subtle e.g ... very remarkable w/differential ... E.g. 80 yo ESR cutoff ... Treatment of GCA ... them, but urgent rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
the secondary or acquired ... underlying disease (eg ... • Infection (eg ... #Diagnosis #Management ... #Hematology #Rheumatology
Essential Thrombocythemia (ET)
ET is a chronic myeloproliferative neoplasm. Most cases are related to mutations that affect
• Thrombosis (e.g ... thrombocytosis (e.g ... • Treatment algorithms ... Thrombocythemia #ET #hematology ... #hematology