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Difficulty: HardPharmacological and Parenteral Therapies

A client in septic shock is receiving a continuous intravenous infusion of norepinephrine at 15 mcg/min15 \text{ mcg/min} through a single-lumen central venous catheter. The client's current mean arterial pressure (MAP) is 68 mmHg68 \text{ mmHg}. The healthcare provider prescribes an intermittent intravenous infusion of pantoprazole to be administered over 15 minutes15 \text{ minutes}. The nurse consults a drug reference and identifies that norepinephrine and pantoprazole are incompatible at the Y-site. Which action is the most appropriate for the nurse to take?

  1. Establish a new peripheral intravenous access site to administer the pantoprazole.Answer
  2. B
    Pause the norepinephrine infusion, flush the line with 0.9%0.9\% sodium chloride, infuse the pantoprazole, and flush again before restarting.
  3. C
    Connect the pantoprazole at the Y-site furthest from the client to allow adequate dilution before reaching the central circulation.
  4. D
    Contact the healthcare provider to request delaying the pantoprazole administration until the client is weaned off the vasopressor.

Answer

The most appropriate action is to establish a new peripheral intravenous access site to administer the pantoprazole.
Norepinephrine is a critical, life-sustaining vasopressor with a very short half-life of 1 to 2 minutes. When administering incompatible medications, the standard practice for a single-lumen catheter is to pause the primary fluid, flush the line, administer the new medication, and flush again. However, pausing a norepinephrine infusion for 15 minutes to infuse pantoprazole would cause a rapid, life-threatening drop in the client's blood pressure. Therefore, the safest and highest priority action is to establish a separate peripheral intravenous line.

Step-by-Step Solution

1
Analyze the client's current clinical status and the medications involved.
The client is in septic shock, relying on a continuous norepinephrine infusion to maintain a viable MAP of 68 mmHg68 \text{ mmHg}.
Understanding the critical nature of the current therapy is essential for safe medication administration.
2
Evaluate the pharmacological properties of norepinephrine.
Norepinephrine is a vasopressor with an extremely short half-life (approximately 1 to 2 minutes).
The half-life dictates how the client's body will react if the infusion is interrupted.
3
Determine the safety of standard incompatibility protocols.
The standard 'flush-infuse-flush' method would require pausing the norepinephrine for over 15 minutes, which is contraindicated as it would cause profound hypotension.
Life-sustaining continuous infusions cannot be paused for intermittent medication delivery.
4
Select the safest alternative intervention.
Initiating a secondary peripheral IV access allows for the timely administration of pantoprazole without compromising the critical vasopressor infusion.
Provides a safe, dedicated route for incompatible medications.

Key Concept

Management of Incompatible IV Medications with Life-Sustaining Infusions
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Topics

Pharmacological and Parenteral Therapies

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