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Intravenous (IV) cannulation is a technique in which a cannula is placed inside a vein to provide venous access. Venous access allows sampling of blood, as well as administration of fluids, medications, parenteral nutrition, chemotherapy, and blood products.

Veins have a three-layered wall composed of an internal endothelium surrounded by a thin layer of muscle fibers that is surrounded by a layer of connective tissue. Venous valves encourage unidirectional flow of blood and prevent pooling of blood in the dependent portions of the extremities; they also can impede the passage of a catheter through and into a vein. Venous valves are more numerous just distal to the points were tributaries join larger veins and in the lower extremities.

Course Curriculum

Introduction to Intravenous Access
What is Intravenous Access? 00:10:00
This course describes placement of an over-the-needle IV catheter, in which the catheter is mounted on the needle.
Indications and Contraindications
Intravenous access considerations 00:10:00
Indications for IV cannulation include...
Intravenous access procedure 00:20:00
Choosing the correct vein is important.
Intravenous access complications 00:10:00
Upload Documents 00:05:00
These documents may be needed by organizations and/or employers for consideration.
Upload your documents 60, 00:00
Intravenous access assessment 01:00:00

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