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Difficulty: MediumPharmacological and Parenteral Therapies

A client admitted with septic shock is receiving a continuous intravenous infusion of norepinephrine through a single 20-gauge peripheral catheter. The healthcare provider prescribes an intermittent intravenous piggyback of ceftriaxone to be administered immediately. The nurse reviews a drug reference guide and notes that ceftriaxone is incompatible with norepinephrine. Which action should the nurse take?

  1. A
    Pause the continuous vasopressor, flush the catheter with normal saline, infuse the antibiotic, and restart the vasopressor.
  2. B
    Connect the antibiotic to the y-site injection port closest to the client's intravenous insertion site.
  3. Establish a second peripheral intravenous access site to administer the prescribed antibiotic.Answer
  4. D
    Withhold the antibiotic administration until the continuous vasopressor infusion is no longer required.

Answer

The nurse must establish a second peripheral intravenous access site to safely administer the prescribed antibiotic.
Establishing a second intravenous site is the only appropriate action because it ensures that the life-sustaining continuous vasopressor is not interrupted, the time-sensitive antibiotic is not delayed, and the risk of chemical incompatibility and precipitation in the intravenous line is entirely avoided.

Step-by-Step Solution

1
Identify the incompatibility and the nature of the prescribed medications.
Norepinephrine and ceftriaxone are incompatible and cannot run through the same intravenous line.
Mixing incompatible medications can cause crystallization or precipitation, risking an embolus or phlebitis.
2
Analyze the client's physiological dependence on the current continuous medication.
The client has septic shock and requires continuous norepinephrine to maintain adequate blood pressure and tissue perfusion.
Interrupting a continuous vasopressor, even briefly for a flush and piggyback, can lead to severe hemodynamic instability.
3
Determine the priority regarding the newly prescribed medication.
The client needs the antibiotic immediately to treat the underlying infection causing the septic shock.
Timely administration of antibiotics in sepsis is directly linked to patient survival and cannot be delayed.
4
Select the safest nursing intervention that accommodates both priorities.
A new intravenous site must be established.
A separate line allows both high-priority, incompatible medications to infuse concurrently without risking chemical precipitation or interrupting cardiovascular support.

Key Concept

Pharmacological and Parenteral Therapies
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Topics

Pharmacological and Parenteral Therapies

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