[MEDITECH-L] FW: Insensible fluid loss
Tsibulsky, Sarah
~Sarah
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Insensible water losses from the skin and respiratory tract(each ~400-500 mL/d)can lead to substantial underestimates of fluid needs. Insensible water losses depend on respiratory rate, ambient temperature, humidity, and body temperature. Water losses increase by 100-150 mL/d for each degree of body temperature over 37°C. Fluid losses from sweating can vary enormously (100-2,000 mL/hr). The electrolyte losses from insensible losses may be disregarded since these fluids are quite hypotonic.
I'm also having a tough time finding a simple formula we could use because it does differ depending on the type of patient (eg. burn patient, peds patients, renal patients, etc.) and we need to be very careful we don't input a formula that would help manage most patients but could cause a disaster in others! The best we might do would be some sort of reminder for the conditions that increase insensible loss. But let's keep looking.
Why don't you throw this question out on the Meditech L-listserve (the user's group) and see if we can find out if anyone else has designed a solution. Maybe I can also throw the question out to the CHE medical directors to see if any of them are doing anything.
Thanks.
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