The priority action of the nurse should be to immediately remove any inserted arterial catheter.
<h3>What is an arterial waveform?</h3>
An arterial waveform is defined as the complex waveform that changes in response to the frequency of the arterial pulse.
The dampening of an arterial waveform is defined as the blunted trace on the waveform with a low systolic and high diastolic reading.
When such a reading is noticed.by a nurse monitoring a critically ill patient, any inserted arterial catheter should be removed immediately.
This is because a clot at the catheter tip of air bubbles from an arterial catheter can lead to sudden dampening of the arterial waveform.
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