5 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Abnormal PT and/or aPTT ... Congenital intrinsic coagulation ... intravascular coagulation ... Prolonged #Causes #diagnosis ... differential #hematology #coagulation
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... Prolonged PT and aPTT ... the PT and the aPTT ... Prolonged #Causes #diagnosis ... differential #hematology #coagulation
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT/PTT ... levels of factors VII ... Thromboembolism (7%) • CNS ... INR < 2.3 - APTT ... #diagnosis #causes
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
The coagulation ... complexes with FVIIa ... TF-FVIIa also activates ... thrombin #clot #PT #PTT ... #diagnosis #models
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
- Differential Diagnosis ... inhibitor of a coagulation ... evaluation of factor VII ... intravascular coagulation ... #Differential #Diagnosis