: Confirm the saline flush bag is not empty.
: Look for kinks in the tubing or a disconnected cable. HOW TO FIX FAILED ARTERIAL LINE
: If the radial line is positional, try extending the wrist slightly with a roll of gauze or an arm board. : Confirm the saline flush bag is not empty
The shape of the waveform provides clues to the specific failure mode. HOW TO FIX FAILED ARTERIAL LINE
Before assuming the catheter has failed, check the external components.
: Re-level the transducer at the phlebostatic axis (4th intercostal space, mid-axillary line) and re-zero to atmospheric pressure. 📉 Waveform Issues