Which vital sign change in a newly admitted acute care patient indicates the need for immediate intervention?

A respiratory rate of 30 breaths per minute is indicative of tachypnea, which is a significant alteration from normal respiratory function. Normal respiratory rates typically range from 12 to 20 breaths per minute for adults. An increase to 30 breaths per minute suggests potential respiratory distress, which may indicate underlying issues such as hypoxia, acute respiratory conditions, or other critical illnesses. This elevated respiratory rate warrants immediate assessment and intervention to ensure the patient's airway is patent and that adequate oxygenation is being achieved. Monitoring and addressing this abnormality promptly can be crucial in preventing further decompensation or complications.

In contrast, a heart rate of 100 bpm, while technically elevated (tachycardia), may not require immediate intervention unless associated with other concerning clinical signs, as it can be a normal response to pain, anxiety, or hypovolemia. A blood pressure of 110/75 mm Hg is within normal parameters for an adult and does not indicate a need for urgent action. Similarly, a temperature of 99.6°F is only slightly elevated and typically does not signal an immediate problem requiring intervention. Hence, the respiratory rate is the most critical finding in this scenario.