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Zorluk: ZorPhysiological Adaptation

A nurse is caring for a client who is receiving total parenteral nutrition via a central venous catheter. The nurse discovers that the catheter tubing has become disconnected. The client suddenly develops severe dyspnea, a cough, chest pain, and extreme tachycardia. Arrange the following nursing interventions in the most appropriate order of priority.

  1. 1Clamp the central venous catheter.
  2. 2Place the client in the left lateral Trendelenburg position.
  3. 3Administer 100% oxygen via a non-rebreather mask.
  4. 4Notify the rapid response team and the healthcare provider.
  5. 5Obtain a complete set of vital signs and auscultate heart sounds.

Cevap

The correct sequence is to first clamp the catheter, then place the client in the left lateral Trendelenburg position, administer oxygen, notify the rapid response team, and finally assess vital signs and heart sounds.
The client's presentation of a disconnected central line with sudden severe respiratory distress and tachycardia is a hallmark sign of a central line-associated air embolism. The nurse's actions must prioritize immediate, independent life-saving interventions before gathering more data or calling for help. The very first action is to clamp the central line to stop the influx of air. Immediately following this, placing the client in the left lateral Trendelenburg position (Durant's maneuver) is critical, as it traps the air in the apex of the right ventricle, preventing it from entering the pulmonary circulation. Providing 100% oxygen treats the resulting hypoxia and helps dissolve the nitrogen in the air embolus. After these immediate stabilization steps, the nurse must notify the rapid response team and the healthcare provider for advanced support. Finally, obtaining a complete set of vital signs and auscultating for a classic 'mill wheel' murmur provides necessary data to guide further treatment.

Adım Adım Çözüm

1
Clamp the central venous catheter.
Prevents additional air from being drawn into the central venous system.
Eliminating the source of the complication is the absolute first priority in emergency management.
2
Place the client in the left lateral Trendelenburg position.
Traps the air in the right ventricle.
This specific positioning utilizes gravity to keep the air bubble away from the pulmonary valve, preventing a catastrophic pulmonary embolism.
3
Administer 100% oxygen via a non-rebreather mask.
Treats hypoxia and promotes nitrogen washout.
Room air is primarily nitrogen. High-flow oxygen creates a concentration gradient that helps the nitrogen bubble dissolve faster.
4
Notify the rapid response team and the healthcare provider.
Summons advanced medical assistance.
The client requires critical care, continuous hemodynamic monitoring, and potential interventions (like needle aspiration) that are outside the nurse's independent scope of practice.
5
Obtain a complete set of vital signs and auscultate heart sounds.
Provides baseline data and checks for clinical signs of an air embolism.
Once life-saving interventions are established, ongoing assessment is necessary to monitor the client's stability and response.

Anahtar Kavram

The priority management of a suspected central line air embolism follows the sequence of stopping the source, positioning the client to prevent further harm, providing supplemental oxygenation, and escalating care.
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Physiological Adaptation

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