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Difficulty: Very hardReduction of Risk Potential

A nurse is caring for a client receiving total parenteral nutrition (TPN) via a central venous catheter (CVC). During a tubing change, the CVC accidentally disconnects from the injection cap. The client suddenly gasps, reports sharp chest pain, and exhibits dyspnea with cyanosis. Arrange the following risk-reduction actions in the chronological order the nurse must perform them to manage this complication.

  1. 1Occlude the central venous catheter by clamping or pinching it immediately.
  2. 2Position the client in the left lateral Trendelenburg position.
  3. 3Administer 100% oxygen via a tight-fitting non-rebreather mask.
  4. 4Activate the facility's rapid response team and notify the healthcare provider.
  5. 5Remain with the client while continuously monitoring vital signs and oxygen saturation.

Answer

The correct chronological sequence is: 1) Occlude the catheter, 2) Position in left lateral Trendelenburg, 3) Administer 100% oxygen, 4) Activate the rapid response team, and 5) Monitor vital signs continuously.
In the event of a suspected air embolism from a disconnected CVC, the nurse's priority sequence is designed to stop the embolus, trap it safely, treat the systemic effects, and get advanced help. Clamping the line directly stops the source of air entry. The left lateral Trendelenburg position mechanically traps the air in the right ventricle. Oxygen therapy then treats hypoxemia and helps dissolve the nitrogen in the air bubble. Finally, escalating care and monitoring are required for advanced management.

Step-by-Step Solution

1
Identify the complication as a suspected air embolism.
The client's sudden dyspnea, chest pain, and cyanosis upon CVC disconnection strongly indicate an air embolism.
Recognizing the life-threatening complication dictates the immediate emergency response.
2
Prioritize interventions that mechanically stop further harm.
Clamping the catheter is identified as the first and most critical action.
According to strict prioritization principles, stopping the source of ongoing injury takes precedence over all other interventions.
3
Determine the next mechanical intervention to prevent the embolus from causing a blockage.
Positioning the client in the left lateral Trendelenburg position is selected.
This specific position utilizes gravity and cardiac anatomy to keep the air bubble trapped in the right ventricle, away from the pulmonary valve.
4
Address the client's severe oxygenation needs.
Administering 100% oxygen is the third action.
Once the physical threat of further air entry and movement is mitigated, treating the hypoxemia and promoting nitrogen resorption is critical.
5
Summon advanced help and provide ongoing assessment.
Activating the rapid response team, followed by continuous monitoring, completes the immediate sequence.
Advanced interventions require a healthcare provider, and continuous monitoring ensures further physiological decompensation is caught immediately.

Key Concept

Management of a suspected air embolism in a central venous catheter requires immediate mechanical occlusion, specific anatomical positioning to trap the air, high-flow oxygen administration, and rapid escalation of care.
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Topics

Reduction of Risk Potential

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