this post was submitted on 27 Dec 2023
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Mean Arterial Pressure is the actual number we use as a guideline. MAP is calculated as 1/3 of the top BP number + 2/3 of the bottom number:
https://www.mdcalc.com/calc/74/mean-arterial-pressure-map
Goal is bare minimum 60, and preferably >65. A BP of 80/40 gives you a MAP of 53, which = no bueno. Your kidneys and brain will not be happy.
Source: am critical care nurse
I once had 80/40 or 60/40, can't remember exact number, for a very short time. It wasn't too pleasant and judging by the doctor reaction it wasn't supposed to be that low. It was just after a tooth removal, just a bit of overreaction ๐
Thank you for sharing the info, I should memorise the threshold to use it when uncertain if the pressure is too low