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c/reconstitution·submitted 4 months ago by u/ahmed_rasmussen

someone explain units to me like I have not read a paper in years

Correctionbranch of 8 comments

Trying to settle this properly because the thread from last year went in circles. The claim: units matters. The counter-claim: it is measurement error. Both sides have been asserting it confidently for about 17 months without either producing anything. What would actually settle it is 21 people measuring the same…

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8 comments, started 4 months ago
u/niels_roos116 points·4 months ago

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

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u/andres_sorensen33 points·4 months ago

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

Counter-anecdote: opposite result, same dose. Which mostly tells us the variance is huge.

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u/wanjiru_varga16 points·4 months ago

bacteriostatic and sterile water are not interchangeable, do not use them that way

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[removed]13 points·4 months ago

[removed by moderator]

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u/alcohol_aversion48 points·4 months ago

Slight fix: the number was 96.8, not 99.2. Decimal point, but a fairly consequential one.

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u/ahmed_rasmussenOP0 points·4 months ago

the concentration on the vial in marker is the most important step

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u/india_generic_g1 point·4 months ago

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

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u/adaeze_cabrera13 points·4 months ago

This is correct. 2mL versus 12mL is the common mistake.

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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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