A nurse is reviewing the medical record of a schoolage child who is days postoperative following an open repair and casting of a fracture in the right arm. Which of the following findings should the nurse identify as an indication of a potential postoperative complication?
a. Increased erythrocyte sedimentation rate
b. Apical pulse 92/min
c. Respiratory rate 24/min
d. Taking an oral analgesic twice daily