The Nurse Assesses a Patient Before Hip Surgery

The nurse assesses a patient before hip surgery.Which piece of information is most critical for the nurse to report to the surgeon before surgery?

A) The patient is complaining of a pounding headache.
B) There is a bruise on the patient's left anterior chest.
C) The patient uses continuous positive airway pressure (CPAP) at home.
D) The blood pressure is 20 mm Hg higher than baseline.