11 results
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Rare • Drugs (e.g ... • Vasculitis Coagulation ... Diagnosis #Algorithm #Causes ... #Hematology
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Malabsorption (e.g ... warfarin, DOACs (e.g ... Autoimmune disorders (e.g ... Deficiencies #Summary #table ... comparison #diagnosis #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
intravascular coagulation ... (usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... differential #diagnosis #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Nonspecific inhibitors e.g ... to one factor e.g ... e.g. heparin ... inhibitory drugs e.g ... #differential #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
(e.g. heparin contamination ... inhibitory drugs (e.g ... specific inhibitor (e.g ... #differential #hematology ... #coagulation
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
Diagnosis and Management ... normal in mild cases ... hemophilia type (e.g ... Chronic Management ... #treatment #hematology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... unless worrisome EKG ... TLS #diagnosis #management ... #hematology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
Rule out other causes ... antiinflammatory properties e.g ... SAPHO #Syndrome #Rheumatology ... #diagnosis #management ... #Dermatology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
in recipient (e.g ... Causes purpura & ... TRALI): Leading cause ... Transfusions #diagnosis #management ... #hematology #reactions
Essential Thrombocythemia (ET)
ET is a chronic myeloproliferative neoplasm. Most cases are related to mutations that affect
• Thrombosis (e.g ... ET-associated mutation (e.g ... thrombocytosis (e.g ... Thrombocythemia #ET #hematology ... #hematology