For which symptom should the nurse be particularly observant in a client with emphysema undergoing oxygen therapy?

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In a client with emphysema undergoing oxygen therapy, the nurse should be particularly observant for dyspnea on exertion. This symptom is significant because individuals with emphysema already have compromised respiratory function due to the destruction of the alveoli and loss of elastic recoil in the lungs. When supplemental oxygen is introduced, it can lead to alterations in the client's respiratory drive and potentially cause carbon dioxide retention if oxygen saturations are increased too rapidly.

Monitoring for dyspnea on exertion ensures the nurse can respond appropriately to any worsening of the client’s respiratory status. Dyspnea during physical activity or even at rest can indicate that the client might be accumulating carbon dioxide (hypercapnia) or experiencing inadequate oxygenation despite oxygen therapy. Recognizing these changes allows for timely interventions, such as adjusting oxygen flow rates or modifying activity levels, to maintain effective respiratory function and avoid complications.

In this context, headache, dizziness, and nausea can occur in various situations but are less specific indicators of impaired respiratory function in someone with emphysema receiving oxygen therapy. Therefore, the focus on dyspnea on exertion is crucial for the management of this client's care.

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