4 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... PT and/or aPTT ... drugs e.g. direct thrombin ... Disseminated intravascular ... #differential #
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... PT and the aPTT ... drugs (e.g. direct thrombin ... hemorrhage • Disseminated ... hematology #coagulation
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Disseminated Intravascular ... • Prolonged PT ... • Increased thrombin ... Fibrinogen: ↓ • PT ... #diagnosis #causes
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
of Hemostasis - Differential ... inhibitor of a coagulation ... liver failure, disseminated ... discern these causes ... warfarin, direct thrombin