Which of the following symptoms would most likely indicate worsening Epiglottitis?

The symptom indicating worsening epiglottitis is the inability to swallow due to pain. This condition is often characterized by inflammation of the epiglottis, which can lead to significant swelling and discomfort. As the condition progresses, a patient may experience severe throat pain that complicates swallowing, reflecting the severity of the inflammation and the potential for airway obstruction.

In contrast, a stable voice, improved appetite, and a normal respiratory rate suggest that the condition is not worsening. A stable voice implies that there is no significant obstruction or inflammation affecting the vocal cords, while an improved appetite indicates that the patient's state may be stabilizing or improving rather than deteriorating. A normal respiratory rate further supports the idea that the airway is not compromised at that time. Thus, the inability to swallow due to pain is a clear indicator of increased severity and complications associated with epiglottitis.