5 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
heparin - Other anticoagulants ... Congenital intrinsic ... drugs e.g. direct thrombin ... intravascular coagulation (DIC ... #Causes #diagnosis
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
- Differential Diagnosis ... Warfarin • Acute DIC ... pathway to the intrinsic ... disease • Acute DIC ... warfarin, direct thrombin
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... PT and the aPTT ... affected in the intrinsic ... drugs (e.g. direct thrombin ... intravascularcoagulation (DIC
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT ... • Increased thrombin ... Fibrinogen: ↓ • PT ... Reduction of pro/anticoagulants ... #Coagulation #diagnosis
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
along with FXIIa (intrinsic ... Thrombin, then primes ... #clot #PT #PTT ... #diagnosis #models ... anticoagulation #anticoagulant