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c/reconstitution·posted 1 year ago by u/vial_math_vera

small win: reconstitution stopped being a problem at week 66

Explainer

Right, the reconstitution question again, but with numbers this time.

I have 22 data points over 20 weeks. The pattern is consistent enough that I do not think it is chance, and boring enough that nobody is going to screenshot it, which is usually a good sign.

The thing I would flag for anyone new: the effect I am describing showed up at week 55, not week 9. People give up long before the interesting part.

Interested in whether this matches other people's logs or whether I am an outlier.

0 up / 0 down41% upvoted7 commentsid 13juxm23 Jan 2025

7 comments

7 in this archive, depth 4

best — the order this archive was captured in

u/bac_water_banditMOD7 points·1 year ago

Flair changed to match the content. Read the sidebar before posting next time and we are square.

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[deleted]5 points·1 year ago

[deleted]

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u/vial_math_veraOPsyringe math4 points·1 year ago

dosing errors come from people reconstituting two vials differently and forgetting which is which

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u/vial_math_veraOPsyringe math0 points·1 year ago

Dead space ate 3 units on a low-volume draw. Tiny impact at 0.5mg, massive impact at 5mg.

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u/saskia_rahimi2 points·1 year ago

Flair changed to match the content.

Disagree on that part. 98.1% and 98.3% on the same vial is normal.

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About c/reconstitution

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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