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c/reconstitution·submitted 1 year ago by u/rosa_mensah

small win: dead space stopped being a problem at week 95

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Confession thread, sort of. I went from 0.25mg to 10mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 23 weeks later, at which point I had no way of knowing whether the dose increase did anything or whether it would have broken anyway. So now I have early…

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6 comments, started 1 year ago
u/sofia_danquah9 points·1 year ago

Dead space ate 2 units on a low-volume draw. Tiny impact at 2.4mg, massive impact at 10mg.

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u/ruben_cabrera6 points·1 year ago·edited

Cosigning. The concentration on the vial in marker is load-bearing.

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u/soren_zamora5 points·1 year ago·edited

Sceptical. If this were true we would see it reflected in the data and we do not.

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u/reflux_report4 points·1 year ago

Yeah, showing the arithmetic is the fastest way for someone to spot the error.

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u/rosa_mensahOP4 points·1 year ago

stopper coring on the 7th draw because you keep using the same entry point. rotate.

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u/hedda_ekstrom6 points·1 year ago

Did you write the concentration on the vial?

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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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