A 36-year-old African American patient has been admitted to the hospital with diabetic ketoacidosis. The nurse who is admitting him notes that his blood pressure is 164/98 . Which of the following should the nurse do next?
A. Call the physician to report the blood pressure.
B. Retake the blood pressure with an electronic device.
C. Ask the patient what his blood pressure normally measures.
D. Do nothing; this is within a normal range.
C
Know the patient's usual range of vital signs. A patient's usual values sometimes differ from the standard range for that age or physical state. Use the patient's usual values as a baseline for comparison with findings taken later.
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