11 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Causes Intravascular ... coagulation (DIC ... Hemolysis #Hemolytic #Intravascular ... #Causes #differential ... #diagnosis #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Disseminated Intravascular ... Thrombocytopenia • Prolonged ... Treat primary cause ... #Intravascular ... treatment #management #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Pre-analytical cause ... Disseminated intravascular ... coagulation (DIC ... #differential #hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Rare • Drugs (e.g ... • Disseminated Intravascular ... Coagulation #Bleeding ... #Hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Diagnosis for a Prolonged ... aPTT are both prolonged ... Causes include : ... intravascularcoagulation (DIC ... #differential #hematology
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... . prolonged/induced ... • Disseminated intravascular ... coagulation (DIC ... Diagnosis #Algorithm #Causes
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
the PT remains prolonged ... , disseminated intravascular ... discern these causes ... disease • Acute DIC ... Differential #Diagnosis #Hematology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
• Consistent bleeding ... disease) • aPTT is prolonged ... normal in mild cases ... hemophilia type (e.g ... Management #treatment #hematology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
cryoglobulin (CG ... Paradoxical spontaneous bleeding ... cryoglobulins • Negative causes ... skin necrosis • DIC ... #hematology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... features such as crusts ... flat macules of extravascular ... bruise') is where bleeding ... #Diagnosis #Dermatology