Keyword Analysis & Research: difference between iv and saline lock

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Frequently Asked Questions

What is a saline lock?

A saline lock is a peripheral IV catheter that does not have fluid running through it. Nurses routinely flush it with a standard saline solution (salt water at the same concentration as your blood). If you have an IV in your arm or hand but are not hooked up to tubes and receiving fluids, then you likely have a saline lock.

How is a peripheral IV converted to a saline lock?

Chapter 8. Intravenous Therapy A peripheral IV may be converted to a saline lock when a prescribed continuous IV therapy is switched to intermittent IV or a saline lock for future use. A physician’s order is required to stop a continuous infusion.

What is the difference between a heparin lock and saline lock?

The main difference between a heparin lock and a saline lock lies in the solution that prevents the IV from clotting. A hep-lock IV includes a solution of a blood thinner called heparin instead of saline. Heparin is an anticoagulant that thins the blood and prevents blood clots. The appearance of a heparin lock is the same as a saline lock.

What is the locking mechanism of an IV?

The locking mechanism of an IV contains a small amount of saline or heparin to ensure that the IV access does not become blocked by a blood clot. The tube is then clamped to prevent the backflow of blood into the tubing. This lesson will review the different intravenous catheters and compare their risks and benefits. What Is a Saline Lock?

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