When suspecting a pulmonary embolism in a postoperative client, what is the nurse's priority intervention?

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In the context of a suspected pulmonary embolism (PE), the priority intervention is to administer oxygen, often delivered through a nasal cannula, to provide the client with adequate oxygenation. Pulmonary embolism can significantly impair gas exchange by obstructing blood flow to the lungs, leading to hypoxia. By ensuring the client receives supplemental oxygen, the nurse can help stabilize the patient’s oxygen levels and mitigate the immediate effects of reduced oxygenation due to the embolism.

Quickly addressing hypoxemia is crucial in this scenario, as patients with a PE may experience respiratory distress and require increased oxygen support. Administering oxygen enhances oxygen supply to tissues and can improve overall patient outcomes while facilitating further assessment and treatment.

While monitoring vital signs and administering anticoagulants are also essential components of managing PE, those actions typically follow the immediate need to ensure adequate oxygenation. Chest physiotherapy is generally not indicated in the acute management of pulmonary embolism and may not be beneficial in this acute setting. Thus, oxygen delivery stands out as the most critical and immediate intervention in this situation.