9 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Pre-analytical cause ... Jcortesizaguirr #Abnormal ... #differential # ... hematology #coagulation
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... #PPT #PT #INR #Differential ... #Diagnosis #Algorithm ... #Causes #Hematology ... #coagulation #disorders
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... for a Prolonged ... amyloidosis #Abnormal ... #differential # ... hematology #coagulation
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... Diagnosis Algorithm ... Destruction • Abnormal ... #Causes #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia • Prolonged ... Treat primary cause ... - APTT < 1.5 x normal ... #diagnosis #causes ... treatment #management #hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
of Hemostasis - Differential ... inhibitor of a coagulation ... the PT remains prolonged ... discern these causes ... #Diagnosis #Hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Diagnosis Algorithm ... Complete blood count coagulation ... #Causes #dermatology
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... Hemorrhage - Differential ... Diagnosis Algorithm ... fatigue (e.g. prolonged ... succenturiate lobe • Abnormal
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
ecchymosis) is caused ... are typical of coagulation ... Excessive bruising & prolonged ... Measurement of coagulation ... VWF:RCo/VWF:Ag (differentiate