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Difficulty: MediumPharmacological and Parenteral Therapies

A client admitted with atrial fibrillation with rapid ventricular response is receiving a continuous intravenous infusion of diltiazem. The healthcare provider prescribes an intermittent intravenous infusion of piperacillin-tazobactam for a respiratory tract infection. The client currently has a single peripheral intravenous catheter. Which action should the nurse take first?

  1. Consult a drug reference guide to verify the Y-site compatibility of both medications.Answer
  2. B
    Connect the secondary antibiotic tubing to the port closest to the client and initiate the infusion.
  3. C
    Pause the diltiazem infusion temporarily to allow the antibiotic to infuse completely.
  4. D
    Insert a second peripheral intravenous catheter in the client's opposite arm.

Answer

The priority action is to consult a drug reference guide to verify the Y-site compatibility of diltiazem and piperacillin-tazobactam.
When a client has a single intravenous line and requires the administration of a new intermittent medication alongside a continuous infusion, the primary safety action is to verify their Y-site compatibility. Using a trusted pharmacology resource ensures that the medications will not interact adversely, form a precipitate, or alter each other's therapeutic effects. If they are compatible, concurrent administration is safe. If they are incompatible, the nurse will then need to establish an alternative access route.

Step-by-Step Solution

1
Assess the current intravenous access and ongoing therapies.
The client has a single peripheral line with a critical continuous diltiazem infusion running.
Identifying the current setup is necessary to determine how to safely administer a new intermittent medication.
2
Evaluate the clinical safety of altering the current therapy.
Pausing the diltiazem is unsafe due to the risk of rapid ventricular response and hemodynamic compromise.
Maintaining client circulation and stability is a top priority.
3
Determine the standard protocol for concurrent intravenous administration.
The nurse must verify Y-site compatibility before mixing the medications in the same line.
Incompatible medications can crystalize or precipitate, causing severe harm to the client.

Key Concept

Intravenous Medication Compatibility and Safety
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Topics

Pharmacological and Parenteral Therapies

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