What is the first nursing action when a postoperative client complains of dizziness upon sitting up?

When a postoperative client experiences dizziness upon sitting up, the priority nursing action is to lower the head of the bed slowly. This approach is vital because it helps to prevent potential injury from sudden changes in position that could lead to falls or exacerbation of dizziness. By adjusting the bed's position gradually, the nurse can provide a safer environment for the patient, allowing them to acclimate to the change in posture without further risking their stability.

This action is particularly important in the postoperative context, where patients may have experienced significant physiological changes, alterations in blood volume, or effects from anesthesia, all of which can contribute to dizziness. Taking this precaution can help maintain the client’s safety while also providing crucial support during the recovery process.

Other actions, such as checking vital signs or contacting the healthcare provider, are important tasks but are secondary to immediate safety and stabilization. For instance, obtaining assistance or checking vital signs can provide valuable information but does not address the immediate risk of the patient falling or losing consciousness due to dizziness. Lowering the head of the bed not only prioritizes safety but also assists in assessing and managing the condition in a controlled manner.