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Difficulty: MediumReduction of Risk Potential

A practical nurse (PN) is reviewing the assessment data of an older adult client who is 24 hours postoperative following a partial bowel resection. Which findings indicate a potential complication that requires immediate escalation to the registered nurse? Select all that apply.

  1. A morning serum potassium level of 2.8 mEq/L (2.8 mmol/L)Answer
  2. A resting heart rate of 118 beats per minute with a blood pressure of 90/58 mm HgAnswer
  3. New-onset restlessness with a respiratory rate of 28 breaths per minuteAnswer
  4. D
    A white blood cell (WBC) count of 11,200/mm³ (11.2 × 10⁹/L)
  5. E
    Serosanguineous drainage totaling 40 mL in the closed-suction surgical drain over 8 hours
  6. F
    An oral temperature of 99.2°F (37.3°C) with mild incisional tenderness

Answer

The findings that require immediate escalation are the serum potassium level of 2.8 mEq/L, the heart rate of 118 beats per minute with hypotension, and the new-onset restlessness with tachypnea.
A serum potassium level of 2.8 mEq/L is critically low (normal is 3.5-5.0 mEq/L) and places the client at risk for severe cardiac dysrhythmias. A heart rate of 118 beats per minute combined with a blood pressure of 90/58 mm Hg indicates potential hypovolemic shock or internal bleeding. New-onset restlessness and tachypnea are classic early, subtle signs of hypoxia or a pulmonary embolism. All of these findings indicate instability and require immediate RN assessment and provider notification.

Step-by-Step Solution

1
Analyze the client's postoperative timeframe and expected physiological responses.
The client is 24 hours postoperative, a period where mild inflammation and mild incisional pain are expected, but fluid shifts, hemorrhage, and electrolyte imbalances pose high risks.
Differentiating normal postoperative healing findings from early signs of shock or metabolic derangement is critical for the practical nurse.
2
Evaluate the laboratory values and vital signs against critical thresholds.
The potassium of 2.8 mEq/L is critically low. The vital signs (tachycardia and hypotension) indicate potential shock. The restlessness with tachypnea suggests hypoxia.
These findings are life-threatening and fall outside the scope of independent PN management, requiring immediate RN collaboration.
3
Eliminate the expected, benign postoperative findings from the choices.
The slightly elevated WBC count, low-grade temperature, and small amount of serosanguineous drainage are normal 24 hours after surgery.
These findings can be safely monitored and documented by the PN without the need for immediate emergency escalation.

Key Concept

Reduction of Risk Potential: Recognizing Postoperative Complications
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Topics

Reduction of Risk Potential

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