What is a key indicator that a client may be experiencing worsening symptoms indicating potential complications?

The key indicator that a client may be experiencing worsening symptoms indicating potential complications is an increase in anxiety and restlessness. These signs can reflect a variety of underlying issues, such as pain, fear, or an unmet physiological need. Anxiety and restlessness can also be indicative of inadequate oxygenation, worsening of a medical condition, or even adverse reactions to treatment. Monitoring for these psychological changes is vital in clinical practice, as they often precede physical symptoms and can guide healthcare providers in making timely interventions.

Stable blood pressure readings, a normal temperature range, and consistent urinary output are generally signs of stability in a patient's condition. They do not necessarily indicate a decline but rather suggest that the patient is currently managing well. Therefore, while it is important to consider these parameters, they do not serve as direct evidence of potential complications in the same way that changes in a patient's emotional state can.