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Difficulty: MediumPharmacological and Parenteral Therapies

An adult client is currently receiving a transfusion of packed red blood cells (PRBCs) through a 20-gauge peripheral intravenous catheter to treat acute blood loss anemia following a surgical procedure. During the transfusion, the client experiences a sudden episode of severe post-operative nausea and vomiting. The healthcare provider prescribes an immediate dose of intravenous ondansetron. The client currently has no other vascular access. Which of the following actions is the most appropriate way to safely administer the medication?

  1. A
    Administer the medication directly into the lowest Y-site of the blood administration tubing.
  2. B
    Stop the blood transfusion temporarily, flush the line with 0.9%0.9\% sodium chloride, administer the medication, and then resume the blood.
  3. Establish a new peripheral intravenous catheter in a different vein to administer the medication.Answer
  4. D
    Wait until the blood transfusion is completely finished before administering the medication.

Answer

Establish a new peripheral intravenous catheter in a different vein to administer the medication.
The correct action is to initiate a secondary intravenous line. Blood products must infuse through a dedicated line using specialized Y-tubing. To prevent red blood cell lysis, medication incompatibility, and contamination, no medications may be mixed with packed red blood cells or injected into the blood administration set. Because the client needs immediate relief for severe nausea and vomiting, establishing a new access point is the only safe intervention that allows prompt treatment without compromising the blood product.

Step-by-Step Solution

1
Evaluate the current intravenous access and the prescribed therapy.
The client has only one IV line, which is currently dedicated to a packed red blood cell transfusion.
Before administering any medication, the nurse must ensure there is safe and compatible vascular access.
2
Determine the compatibility rules for blood product administration.
Blood products are incompatible with almost all medications and intravenous solutions, except for 0.9%0.9\% sodium chloride. Medications cannot be mixed into blood tubing.
Mixing medications with blood can cause red blood cell lysis (hemolysis), precipitation, and severe patient harm.
3
Prioritize the client's immediate physiological needs.
The client has severe nausea and active vomiting, requiring immediate intervention to prevent distress and aspiration.
Delaying treatment for active vomiting is unsafe, meaning the medication must be given promptly rather than waiting hours for the transfusion to finish.
4
Select the safest intervention that addresses both constraints.
Initiating a second peripheral IV line allows for the immediate administration of the antiemetic without interrupting or compromising the ongoing blood transfusion.
Establishing secondary access adheres to infection control, medication compatibility standards, and acute symptom management protocols.

Key Concept

Safe Administration of Blood Products and Intravenous Medications
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Topics

Pharmacological and Parenteral Therapies

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