Lab 5 – The pharmacist prescriber’s role in anticoagulation and counselling Flashcards
What is venostasis?
When blood is not moving
What causes venostasis?
- Post surgery
- Immobility
- Bed rest
What is endothelial trauma?
Damage to blood vessels caused by injury
What is hypercoagulability?
Increased coagulation
What causes hypercoagulability?
- Dehydration
- Age (natural anticoagulating factors reduce – antithrombin III, protein C and S)
- Hyperhomocysteinemia
- Elevated factor VIII
- Malignancy
- Dysfibrinolysis
What is a pulmonary embolism?
Blocked blood vessel in the lung
What is the clotting test?
Asseses how well a patients blood clots
What is International normalised ratio (INR)?
Measures the time for blood to clot - only relevant for warfarin not DOACs
What is given to patients who decline anticoagulant treatment?
Aspirin 75mg or 150mg daily - not to be used for secondary prevention of DVT or PE
What are the current anticoagulation therapies?
- Unfractionated heparin
- Warfarin
- DOACs
When is fondaparinux used
Acute coranary syndrome
What is the most widely used oran anticoagulant?
Warfarin
How does warfarin work?
Inhibits synthesis of vitamin K dependant clotting factors II, VII, IX, X
What is fennerty?
Age adgustment dose for warfarin
What is dabigatran?
Direct thrombin inhibitor