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Pharmacology-IV-Becky
Pharmacology
15
Nursing
Undergraduate 3
07/12/2013

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Term
Fluid bolus
Definition
large amount of IV fluid given in a short period of time, usually less than an hour.

Given to rapidly replace fluid loss that could be caused by dehydration, shock, hemorrhage, burns or trauma

A large-gauge angiocatheter (18gauge or higher) is needed to maintain the rapid rate in an adult
Term
Volume controlled infusions
Definition
Some meds such as antibiotics are given intermittently in a small about of solution through a continuous IV system or with saline or heparin lock systems.
The medications infuse for short periods on scheduled basis.
Infusions can be administered by secondary IV bag/bottle/tandem, volume-control set, or by a mini infusion pump
Term
IV bolus administration
Definition
Small amounts of solution (concentrated or diluted) injected within 1-2 minutes.
Some are given directly into the peripheral IV/port
Watch for redness, burning, or increasing pain


Never give meds that cause adverse effects such as potassium chloride
Term
Continuous IV infusion
Definition
mixed in a large volume of fluid (500-1000ml) and given continuously.

i.e. Potassium chloride
Term
Special Considerations
Definition
for older adult clients, clients taking anticoagulants or clients with fragile veins:

Avoid tourniquets
Use BP cuff
Do not slap extremity to visualize vein

Edema in extremities:
Apply digital pressure over selected vein to displace edema
Apply pressure with alcohol pad
Cannulation must be quick

Anatomical landmarks may be needed for obese clients
Term
Preventing IV infection
Definition
-standard precautions
-Change catheter: if any break in surgical asepsis is suspected, according to policy (72hrs)
-Avoid writing on bags with pen/marker; ink could contaminate; change tube if contamination
-use sterile needle/catheter each attempt
-fluid shouldnt hang over 24 hrs unless closed system
-wipe all ports with alcohol or antiseptic swap before connecting IV lines or syringe; dont leave exposed to air
-Never disconnect for convenience or to position client
Term
Selecting vein for IV catheter
Definition
-First choose distal veins on nondominant hand
-nonpainful site without bruising and will not interfere with activity
-a resilient vein with a soft, bouncy feeling when palpated
-Avoid veins: varicosed, inner wrist with bifurcations, flexion areas, near valves, lower extremities, in antecubital fossa, sclerosed or hard, in an extremity with impaired sensitivity
-enhance access: gravity, fist clenching, friction with alcohol, heat, percussion with gentle tapping
Term
IV catheter procedure (clean gloves)
Definition
-Apply tourniquet/BP cuff
-Select vein and untie it
-Cleanse the site using friction in a circular motion starting at the middle with alcohol, iodine or chlohexidine, allow 1-2 dry
-Remove catheter cover and grasp hub, checking for smooth edges and retie T/BP
-Anchor vein below site of insertion, pull the skin taut and hold
-Insert bevel up at 10-30d until flashback of blood
-Lower hub close to skin to prepare threading into vein 1/4in
-Loosen needle and advance catheter using thumb/index, release t/bp
-Apply pressure 3cm above and remove needle; activate safety
-apply dressing, set up rate by order
Term
Discontinuing IV therapy
Definition
clean gloves; prescription

-Remove tape/dressing; stabilize and clamp tubing
-Apply sterile gauze pad over site with no pressure or alcohol
-With other hand withdraw by pulling straight back
-Elevate extremity and apply pressure for 2min
-Assess, apply tape over gauze or pressure pad if needed and document
Term
IV Complications of Infiltration
Definition
Infiltration:
-Pallor, local swelling, decreased skin temp at site, damp dressing, slow infusion
Treatment:
-Stop infusion, remove catheter
-Elevate extremity
-Apply warm compress 3-4 times/day
-Restart infusion proximal to site or in another extremity

Secure cather
Term
IV Complications of Phlebitis/Thrombophlebitis
Definition
Edema; throbbing, burning or pain at site; increased skin temp; erythema (reddening); red line up arm with palpable band; slow infusion

Treatment:
-Promptly discontinue infusion and remove catheter
-Elevate extremity
-Apply warm compress 3-4 times/day
-Restart infusion proximal/other extremity
-Culture the site if drainage
-Rotate the site at least every 72 hours; Avoid lower extremities; use surgical asepsis
Term
IV Complications of Hematoma
Definition
Ecchymosis at site (discoloration from bleeding underneath)

Treatment:
-Do not apply alcohol
-Apply pressure after IV catheter removal
-Use warm compress and elevation AFTER bleeding stops

Prevention:
-Minimize tourniquet time
-Remove T before starting IV infusion
-Maintain pressure after removal
Term
IV Complications of Cellulitis
Definition
Pain; warmth; edema; induration; red streaking; fever, chills and malaise

Treatment:
-Promptly discontinue infusion/remove catheter
-Elevate extremity
-Apply warm compress 3-4 times/day
-Obtain a specimen for culture at the site and at catheter if drainage
-Administer as prescribed: Antibiotics, Analgesics, Antipyretics

Prevention:
-Rotate site at least every 72 hrs
-Avoid lower extremities
-Use surgical aseptic technique
Term
IV Complications of Fluid Overload
Definition
Distended neck veins, increased BP, tachycardia, SOB, crackles in lungs, edema

Treatment:
-Stop infusion
-Raise head of the bed
-Assess vital signs
-As prescribed: adjust rate, administer diuretics

Prevention:
-Use infusion pump
-Monitor I&O
Term
IV Complications of Catheter Embolus
Definition
Missing catheter tip when discontinued; sever pain at site with migration or no symptoms if no migration

Treatment:
-Place T high on extremity to limit venous flow
-Prepare for removal under xray or surgery
-Save catheter to determine cause

Do not reinsert the stylet into the catheter
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