While caring for a postoperative client with an invasive arterial line, the nurse identifies a large discrepancy between the arterial line reading and the manual cuff pressure. Arterial line reading: 100/62 mm Hg; manual cuff reading: 120/76 mm Hg. What interventions should the nurse take to facilitate accurate functioning of the arterial line? Select all that apply.
A.
Perform a square wave test on the monitor
B.
Position the client flat for all blood pressure (BP) readings
C.
Recheck and compare with an automatic BP machine
D.
Verify that the zero reference stopcock is leveled with the client's phlebostatic axis
E.
Zero balance the system