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

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia • Prolonged ... PT/PTT • Low ... • Increased thrombin ... INR < 2.3 - APTT ... #Coagulation #diagnosis
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
of Hemostasis - Differential ... Diagnosis Framework ... prolonged after ... disease • Acute DIC ... warfarin, direct thrombin