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Flush your IV catheter as directed. Use 5 cc of saline before and after your medication. Flush catheter after each use, or once a day if not in use. Some catheters need only weekly flushing if not in use—check with your health care provider. If instructed, also flush with 3 cc of heparin after the second saline flushing.
Uncap a new saline or heparin bottle. Or use alcohol to wipe the rubber stopper on a bottle that’s already open.
Draw the syringe plunger back up to the amount of saline or heparin you need. Uncap the needle. Insert it into the stopper. Push the plunger in all the way.
Turn the bottle upside down with the needle still in place. Draw back on the plunger and withdraw 5 cc of saline or 3 cc of heparin.
Hold the syringe with the needle pointing up. Flick or tap the syringe. Any large bubbles should rise to the surface.
Slowly push in the plunger until a tiny drop of saline or heparin comes out the needle tip. Replace the needle cap. That way the needle will remain sterile when you put it down.
To reduce the risk of germs entering the IV line, wipe the port with alcohol
Open the catheter clamp. Uncap the needle. Insert it into the injection port.
Flush the catheter. Push the plunger in slowly and smoothly. Do not force.
Close the catheter clamp just before the syringe becomes empty. This stops blood from flowing back into the catheter. Note: Some catheters may not need clamps.
Remove the needle and syringe from the injection port. Place them in a sharps box. Flush again if instructed to do so.