In our unit, we record the (S/A/D) every hour at least, although many of us do it every 15 minutes. I think it depends on how stable the patient is and what kind of drips they're on, along with why the balloon was placed. If they're placed prophylactically for a procedure, they're bound to be more stable than someone who had one placed in the cath lab and was rushed to emergent open heart surgery. I was taught that the reading off the pump is going to be the accurate one, not the art line reading off the bedside monitor and especially not the cuff.
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