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c/reconstitution·submitted 10 days ago by u/sigrid_kaufmann

[Math] someone check my arithmetic before i draw this up

Mathbranch of 6 comments

Thinking out loud about this: someone check my arithmetic before i draw this up. The failure modes I have actually seen posted here, in order of frequency. One: reconstituting at a different volume than intended and not writing it down, so the next draw is based on a remembered concentration. Two: treating units as a…

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6 comments, started 9 days ago
u/georgi_adebayo29 points·9 days ago

Shook the first vial because nobody told me not to. It was fine, but I have swirled every one since.

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u/vial_math_veraMOD11 points·9 days ago·edited

Working has to be shown on arithmetic posts. Added a note asking for it rather than removing this one.

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u/georgi_adebayo6 points·8 days ago

What is written on the vial right now?

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u/dexa_twice_yearlybody comp5 points·8 days ago

more water is not more drug, it is the same drug in a bigger volume

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u/karim_ilunga4 points·8 days ago

reconstituting at a round concentration makes every later dose easy

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u/andres_sorensen5 points·9 days ago

a U-100 syringe reads 100 units to the millilitre, every time

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The arithmetic and the technique. Bacteriostatic versus sterile water, reconstitution volume as a concentration choice, converting mg/mL into insulin-syringe units, dead space, swirl-not-shake, stopper coring, and how long a reconstituted vial is actually good for. Math errors get corrected fast and politely.

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