6 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... anemia): - Disseminated ... HUS) • Other: Transfusion ... Extravascular #Causes ... differential #diagnosis #hematology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Transfusion Thresholds ... Causes purpura & ... TRALI): Leading cause ... more likely to cause ... diagnosis #management #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Disseminated Intravascular ... incompatible blood transfusion ... Treat primary cause ... INR < 2.3 - APTT ... treatment #management #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Prolonged PT and aPTT ... the PT and the aPTT ... Decreased factor ... hemorrhage • Disseminated ... #differential #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Decreased factor ... K deficiency ( decreased ... Disseminated intravascular ... #differential #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
performed PT, PTT ... Mild-to-moderate decrease ... in most cases; ... Platelet count - Decreased ... Diagnosis #Workup #Hematology