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Difficulty: MediumPharmacological and Parenteral Therapies

A nurse is preparing to administer an intravenous piggyback (IVPB) antibiotic through an established, continuously infusing primary peripheral IV line. Arrange the following nursing actions in the correct chronological sequence to safely initiate the secondary infusion.

  1. 1Verify the compatibility of the prescribed antibiotic with the primary intravenous solution.
  2. 2Close the roller clamp on the secondary tubing and spike the antibiotic bag.
  3. 3Scrub the proximal Y-site port on the primary tubing with an antimicrobial swab.
  4. 4Connect the secondary tubing to the primary line and backprime to remove air.
  5. 5Suspend the primary fluid bag lower than the antibiotic bag using a hanger hook.

Answer

The correct chronological sequence is: Verify compatibility, clamp and spike the secondary bag, scrub the Y-site port, connect and backprime the tubing, and lower the primary fluid bag.
Establishing an IVPB requires a systematic approach to ensure patient safety and proper medication delivery. First, the nurse must always verify compatibility to prevent adverse chemical reactions. Next, the secondary tubing is prepared by clamping and spiking the bag. Aseptic technique is then maintained by vigorously scrubbing the primary Y-site above the pump. The tubing is connected and backprimed to remove air without losing medication. Finally, utilizing gravity and hydrostatic pressure, the primary bag is lowered so the pump draws exclusively from the higher secondary bag until it is empty.

Step-by-Step Solution

1
Verify the compatibility of the prescribed antibiotic with the primary intravenous solution.
The nurse confirms the medications can mix safely.
Incompatibility can cause chemical reactions or precipitation, which can be life-threatening if infused into the patient's bloodstream.
2
Close the roller clamp on the secondary tubing and spike the antibiotic bag.
The secondary set is attached to the medication bag without fluid leaking.
The roller clamp must be closed before spiking the bag to prevent the medication from immediately running out of the tubing and being wasted.
3
Scrub the proximal Y-site port on the primary tubing with an antimicrobial swab.
The connection port is disinfected.
Scrubbing the hub (usually for 15 seconds) is a critical infection control measure to prevent introducing microorganisms directly into the patient's vascular system.
4
Connect the secondary tubing to the primary line and backprime to remove air.
The secondary line is primed with primary fluid, eliminating air bubbles.
Backpriming ensures the tubing is entirely fluid-filled without wasting any of the antibiotic dose, which is especially important for small-volume medications.
5
Suspend the primary fluid bag lower than the antibiotic bag using a hanger hook.
The secondary medication bag is positioned higher than the primary bag.
Infusion pumps pull fluid from the highest source due to hydrostatic pressure. Lowering the primary bag ensures the IVPB infuses completely before the primary fluid resumes.

Key Concept

Intravenous Piggyback (IVPB) Administration Sequencing
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Topics

Pharmacological and Parenteral Therapies

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