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Zorluk: Çok zorAccident, Error, and Injury Prevention

A critical care nurse is managing a mechanically ventilated client receiving continuous intravenous infusions of fentanyl, propofol, and cisatracurium (a high-alert neuromuscular blocking agent) for severe acute respiratory distress syndrome. The client suddenly exhibits profound diaphoresis, a heart rate of 145 bpm, and a blood pressure of 182/96 mmHg. The ventilator repeatedly alarms for high peak airway pressures. A peripheral nerve stimulator assessment using train-of-four (TOF) monitoring reveals zero out of four twitches. Which action must the nurse prioritize to prevent a catastrophic adverse event?

  1. Trace the fentanyl and propofol infusion lines from the pumps to the vascular access site to verify continuous delivery.Cevap
  2. B
    Administer a bolus dose of cisatracurium to quickly eliminate the ventilator dyssynchrony and reduce airway pressures.
  3. C
    Perform immediate in-line endotracheal suctioning to clear potential mucus plugs triggering the high-pressure alarms.
  4. D
    Implement seizure precautions and notify the healthcare provider of possible acute substance withdrawal based on the autonomic signs.

Cevap

Trace the fentanyl and propofol infusion lines from the pumps to the vascular access site to verify continuous delivery.
When a client is receiving a continuous neuromuscular blocking agent (NMBA), they are chemically paralyzed and unable to move to indicate pain, anxiety, or wakefulness. A train-of-four (TOF) assessment of zero twitches confirms complete neuromuscular blockade. Therefore, the sudden onset of profound autonomic hyperactivity (tachycardia, severe hypertension, and diaphoresis) strongly suggests the client is experiencing extreme pain or awareness under paralysis. This is a critical safety emergency typically caused by a failure in the delivery of continuous sedation and analgesia (e.g., an infiltrated IV, a disconnected line, or a clamped tubing). Verifying the physical integrity of the sedative and analgesic infusions is the absolute paramount safety priority to prevent the horrific psychological and physiological trauma of being awake while paralyzed.

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1
Interpret the train-of-four (TOF) assessment results.
A score of 0 out of 4 twitches indicates complete (100%) neuromuscular blockade.
This confirms the client is entirely paralyzed and physically unable to move, breathe independently, or visibly demonstrate distress.
2
Analyze the client's vital signs and physical presentation in the context of the paralysis.
The profound diaphoresis, tachycardia (145 bpm), and severe hypertension (182/96 mmHg) indicate extreme autonomic nervous system hyperactivity.
In a client who is chemically paralyzed, the somatic nervous system is blocked, making autonomic signs the primary and often only indicators of pain, anxiety, or wakefulness.
3
Synthesize the data to identify the immediate safety threat.
The combination of complete paralysis (0/4 TOF) and severe autonomic hyperactivity points to a failure of sedation and analgesia.
This clinical picture represents a high-risk medical emergency: awareness under paralysis, which causes severe psychological trauma (PTSD) and physiological stress.
4
Determine the priority error-prevention intervention.
The nurse must immediately physically trace and verify the continuous delivery of the sedative (propofol) and analgesic (fentanyl).
Identifying and resolving a disconnected line, infiltrated IV, or empty syringe restores sedation, prevents further trauma, and safely resolves the ventilator dyssynchrony.

Anahtar Kavram

Safe Administration and Monitoring of Neuromuscular Blocking Agents (NMBAs)
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Konular

Accident, Error, and Injury Prevention

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