5 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
Step 1: Is the PT ... Patient Receiving Anticoagulants ... K Antagonists, Heparin ... , or Direct Thrombin ... to identify the cause
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
PT/ABNORMAL PTT ... inhibitor and lupus anticoagulant ... syndrome • Lupus anticoagulant ... deficiency • Anticoagulants ... deficiency • Anticoagulant
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
at the site of injury ... Thrombin, then primes ... #clot #PT #PTT ... anticoagulation #anticoagulant ... Rivaroxaban #Edoxaban #heparin
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... - Other anticoagulants ... e.g. heparin ... drugs e.g. direct thrombin ... Jcortesizaguirr #Abnormal
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT ... • Increased thrombin ... Fibrinogen: ↓ • PT ... significant fibrin clot ... Reduction of pro/anticoagulants