A client is receiving TPN (1000 ml) in ICU from 8 AM. In the next day at 8 AM on duty nurse noticed that there is 200 ml solution left in the bag. Which action is appropriate?

1. A

   Note the finding in client's notes

2. B

   Discard the left solution and reconnect a new TPN bag

3. C

   Immediately inform to on duty doctor

4. D

   Observe and record all vitals

Appeared in: NORCERT 8 Mains-2025

Explanation

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• TPN solutions must be discarded and replaced every 24 hours, regardless of the remaining volume, to prevent microbial contamination.
• The high concentration of dextrose and lipids in TPN makes it an ideal medium for bacterial and fungal growth.
• Continuing an infusion beyond 24 hours significantly increases the patient's risk of developing a life-threatening central line-associated bloodstream infection (CLABSI).
• This action prioritizes patient safety and infection control, which is a fundamental nursing responsibility.

Why Other Options Were Wrong

• Option A: Documentation is a necessary part of nursing care but it is not a corrective action. The immediate risk to the patient (infection) must be addressed first.
• Option C: Changing an expired TPN bag is a standard nursing protocol based on infection control principles. It does not require a physician's order and should not be delayed.
• Option D: Monitoring vital signs is a general, routine nursing task. It does not specifically address the acute problem of an expired, potentially contaminated TPN solution.

Related Visual

• Visual 1: Infographic - The 24-hour rule for TPN administration. This visual would show a clock icon over a TPN bag and list key reasons for the rule: bacterial growth, solution stability, and CLABSI prevention.
• Visual 2: Diagram - A central line with a TPN infusion setup. This would highlight the TPN bag, tubing, and filter as components that need regular, scheduled changes to maintain sterility.

Clinical Relevance

• Nursing practice connection: Prioritize focused assessment, early escalation, and real-time monitoring when managing TPN Administration Protocol and Infection Control in acute care settings.
• Strict adherence to the 24-hour change protocol for TPN bags and tubing is a non-negotiable standard of care for preventing life-threatening CLABSIs.
• Nurses are the final barrier against many hospital-acquired infections. Independently managing IV lines according to established safety protocols is a critical professional responsibility.
• What if? - If the nurse noticed 200 ml remaining after only 12 hours, the appropriate action would be to troubleshoot the infusion. The nurse should check the pump settings, inspect the IV line for kinks or occlusions, and then adjust the rate to match the prescription. The bag would not be discarded as it has not yet expired.

How to Approach the Question

• Identify the clinical subject: The question is about Total Parenteral Nutrition (TPN) administration.
• Analyze the timeline provided: The TPN bag was started at 8 AM and it is now 8 AM the next day. This is a duration of exactly 24 hours.
• Recall the most critical safety protocol for TPN: TPN solutions and administration sets must be changed every 24 hours due to the high risk of microbial growth.
• Evaluate the options based on this protocol. The core issue is the expired bag, which poses an infection risk.
• Select the action that directly addresses and mitigates this primary safety risk. Discarding the old bag and starting a new one is the only option that accomplishes this.

Concept Tested & Keywords

• Concept Tested: TPN Administration Protocol and Infection Control
• Stem keywords: TPN, ICU, 24 hours, 200 ml solution left
• Lead-in keywords: appropriate action
• Clinical cues: The duration of the TPN infusion (24 hours) is the most critical piece of information, as it dictates the need to change the bag due to expiration and infection risk.

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