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Difficulty: HardBasic Care and Comfort

A young adult client is being monitored on the orthopedic unit several hours after the application of a rigid long-leg cast for a displaced tibial fracture. The client suddenly reports an intense, unrelenting ache in the calf that has worsened significantly despite the recent administration of prescribed intravenous analgesics. Recognizing a potential limb-threatening complication, which specific positioning intervention should the practical nurse implement while notifying the registered nurse?

  1. A
    Promptly elevate the casted leg on a stack of pillows so that it rests significantly above the level of the heart.
  2. B
    Place the client in a high-Fowler's sitting position with the casted leg hanging dependently off the side of the bed.
  3. Ensure the affected extremity is supported and maintained resting completely flat at the level of the client's heart.Answer
  4. D
    Adjust the entire bed frame into a slight Trendelenburg position to encourage gravitational fluid drainage from the limb.

Answer

The nurse should ensure the affected extremity is supported and maintained completely flat at the level of the client's heart.
When a client exhibits signs of acute compartment syndrome (such as severe, unrelenting pain unresponsive to narcotics), the affected extremity must be positioned completely flat at the level of the heart. This neutral position optimizes arterial perfusion to the compromised tissues without increasing venous congestion. Elevating the limb would decrease arterial inflow, worsening ischemia, while a dependent position would increase swelling and interstitial pressure.

Step-by-Step Solution

1
Identify the clinical cues indicating a severe complication.
The client's unrelenting pain that is unresponsive to intravenous analgesics strongly suggests acute compartment syndrome.
Compartment syndrome causes extreme pressure within the muscle fascia, leading to rapid ischemia and severe pain that is disproportionate to the injury.
2
Determine the physiological impact of positioning on a limb with elevated compartment pressures.
Elevating the limb decreases arterial blood flow, while lowering the limb dependently increases venous congestion.
Both extremes compromise circulation and exacerbate tissue ischemia in this specific emergency.
3
Select the optimal position to maximize perfusion and minimize pressure.
The extremity must be kept at the level of the heart.
This neutral position optimizes arterial inflow to save the tissues without promoting excessive venous pooling.

Key Concept

Positioning Precautions for Suspected Compartment Syndrome
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Topics

Basic Care and Comfort

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