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Chapter 18 cont 2

Intravenous catheters

Four general categories of IV access devices are winged needle (butterfly), over-the-needle, through-the-needle and multi-lumen catheter
winged needle used for short-term use when the animal is not moving around much to deliver medications or blood draws butterfly catheter
catheter fitted outside or over a steel needle over the needle catheter
catheters passed through the needle are through the needle catheters used primarily in jugular veins
catheters with two to three separate lumina in one catheter and allow simultaneous infusions at a single catheter site multi-lumen catheter
supplies needed for catheter placement are catheter, flush, injection cap or T-set, suture, bandage material, clippers and antiseptic scrub with alcohol
common peripheral insertion sites are cat-cephalic medial, dog-lateral saphenous
placement of a jugular catheter over peripheral catheters are 1. allows for fluids with osmolality greater than 600 and CRI of drugs known to cause phlebitis. 2. enables measurement of central venous pressure. 3.frequent draw of blood samples. 4.necessary for total parenteral nutrition
the required distance for a jugular catheter insertion is estimated by measuring the distance from the intended insertion site to the caudal edge of the triceps muscle
a dilator is used to enlarge the insertion site of the catheter
signs of phlebitis may include erythema, swelling, tenderness and apparent increase in skin temperature over the vein
thrombosis is characterized by a vein that stands up without being held off and a thick cord like feeling to the vein
catheters not in use should be flushed every 4 hours with 4U/ml heprinized saline
what PPE is worn for oncology administration latex gloves, safety glasses, masks and nonpermeable long sleeved elastic cuffed gowns under a oncology hood using a needleless administration system
what is a vesicant a drug that when injected can cause tissue irritation when injected extravascularly.
signs of chemotherapeutic agents out of the vein include loss of catheter patency, redness or swelling at or proximal to the injection site and vocalization or signs of discomfort by the patient
Created by: tnewhouse