Which assessment finding obtained by the nurse when caring for a patient with a right radial arterial line indicates a need for the nurse to take immediate action?
a. The right hand is cooler than the left hand.
b. The mean arterial pressure (MAP) is 77 mm Hg.
c. The system is delivering 3 mL of flush solution per hour.
d. The flush bag and tubing were last changed 3 days previously.
ANS: A
The change in temperature of the left hand suggests that blood flow to the left hand is impaired. The flush system needs to be changed every 96 hours. A mean arterial pressure (MAP) of 75 mm Hg is normal. Flush systems for hemodynamic monitoring are set up to deliver 3 to 6 mL/hour of flush solution.
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