Twelve hours following orthopedic surgery on the right leg, the client begins to have acute chest pain and difficulty breathing. Which action should the nurse take first?

Notify healthcare provider (HCP) of the symptoms and administer a PRN pain medication.

Increase the client's IV flow rate and start low flow oxygen.

Position the client on the left side while immobilizing the affected leg.

Take the client's vital signs and auscultate all lung sounds.

Answer and Explanation

The Correct Answer is B

A. Notify healthcare provider (HCP) of the symptoms and administer a PRN pain medication. While notifying the HCP is necessary, administering pain medication does not address the underlying cause of the client’s acute chest pain and difficulty breathing. These symptoms suggest a possible pulmonary embolism (PE), a life-threatening complication after orthopedic surgery. Immediate supportive interventions should be initiated before notifying the provider.
B. Increase the client's IV flow rate and start low-flow oxygen. The client is experiencing acute respiratory distress, which could indicate a pulmonary embolism (PE), a fat embolism, or another postoperative complication. Providing oxygen helps improve oxygenation and reduce hypoxia, while increasing the IV flow rate helps maintain perfusion and prevent shock. These immediate interventions support vital functions while preparing for further medical management.
C. Position the client on the left side while immobilizing the affected leg. This position is used in air embolism management, not pulmonary embolism. In suspected PE, the priority is to optimize oxygenation and circulation rather than repositioning. The affected leg should be immobilized to prevent further embolization, but this is not the first priority.
D. Take the client's vital signs and auscultate all lung sounds. While assessing the client’s vital signs and lung sounds is important, intervention should not be delayed. The priority is to support oxygenation and circulation immediately, as PE can rapidly lead to hypoxia, hemodynamic instability, or cardiac arrest. Assessment should be done concurrently with emergency interventions.

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Correct Answer is D

Explanation

A. Observe vital signs sequences as a way of assessing for Cushing's triad. Cushing’s triad (hypertension with widened pulse pressure, bradycardia, and irregular respirations) is a late sign of increased intracranial pressure (ICP). While monitoring for it is important, early recognition and direct ICP monitoring are more effective in preventing deterioration.
B. Evaluate hourly urinary output. Mannitol is an osmotic diuretic that can cause significant diuresis, requiring close monitoring of urine output to prevent dehydration and electrolyte imbalances. However, assessing ICP is the priority because increased ICP can cause brain herniation, which is life-threatening.
C. Monitor arterial blood pressure. Dopamine is a vasopressor used to maintain cerebral perfusion pressure (CPP), which is crucial in head injury management. While blood pressure monitoring is essential, directly assessing ICP ensures that treatment is effective in preventing secondary brain injury.
D. Assess intracranial pressure following intracranial transducer placement. The highest priority is monitoring ICP immediately after placement to detect dangerous elevations that could lead to herniation. The intraventricular catheter provides real-time pressure readings, guiding interventions like mannitol administration and blood pressure control to optimize cerebral perfusion and prevent worsening neurological damage.

A. Expel the excess air and heparin from the syringe. B. Place sample in arterial blood gas syringe. C. Obtain a minimum of 1 mL of blood. D. Aspirate the blood sample slowly.

Correct Answer is C

Explanation

A. Expel the excess air and heparin from the syringe. While removing excess air prevents gas exchange alterations, this is not the priority when obtaining an SVO₂ sample. Excess heparin could dilute the sample, but proper blood volume collection is the first concern.
B. Place sample in arterial blood gas syringe. SVO₂ measures venous oxygen saturation, which is different from arterial blood gases (ABGs). Using an ABG syringe is incorrect because it is heparinized for arterial sampling, and arterial blood does not reflect mixed venous oxygenation.
C. Obtain a minimum of 1 mL of blood. SVO₂ is measured from the distal lumen of a pulmonary artery (PA) catheter to assess oxygen delivery and consumption. At least 1 mL of blood is required for an accurate reading, ensuring sufficient sample volume for laboratory analysis.
D. Aspirate the blood sample slowly. While slow aspiration can help prevent hemolysis, it is not the primary concern when collecting an SVO₂ sample. The priority is obtaining a sufficient volume (≥1 mL) for an accurate measurement.

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Twelve hours following orthopedic surgery on the right leg, the client begins to have acute chest pain and difficulty breathing. Which action should the nurse take first?

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Naxlex Comprehensive Predictor Exams

Correct Answer is D

Explanation

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