Intravenously Information and Courses from MediaLab, Inc.
These are the MediaLab courses that cover Intravenously and links to relevant pages within the course.
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| Which of the following statements about anticoagulant therapy is false? | View Page |
| Anticoagulation Therapy - Oral Anticoagulant Therapy The therapeutic use of oral anticoagulants is typically the long-term solution for the patient in terms of managing situations of thrombosis. Warfarin, a dicumarol derivative, is one of the most popular oral anticoagulants used today. While heparin is administered intravenously and acts to inhibit thrombin, warfarin is given orally, taken in pill form, and functions as a Vitamin K antagonist. In earlier discussions, it was mentioned that certain clotting factors are considered to be vitamin K dependant. They require vitamin K molecules for their action to occur. Vitamin K dependant factors include factor II, VII, IX, and X. Vitamin K dependant metabolic processes involved with these coagulation factors are inhibited by drugs such as warfarin. The chemical structure of warfarin and similar anticoagulants enables them to bind competitively with free vitamin K. The prothrombin time (PT/INR) is used to monitor oral anticoagulant therapy. | View Page |
| Drug Concentration Over Time When a drug enters the body, it reaches a peak concentration that starts to fall as the drug is eliminated. The figure on the right shows a typical kinetic with a drug given intravenously (IV). | View Page |