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c/reconstitution·submitted 1 months ago by u/aurel_boateng

2 months in and mg/mL is still the thing I get wrong

Mathbranch of 7 comments

dead space. That is the whole post, but I will justify it. Everything else people worry about in c/glp1muscle is downstream of it. Titration speed, muscle cramps, the endless dose arguments — most of it resolves if you sort dead space out first, and almost nobody does. I say this having got it wrong for 3 months. My…

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7 comments, started 1 months ago
u/hedda_ekstrom189 points·1 months ago

show your working or it is unhelpful

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u/clara_weiss114 points·1 months ago

Respectfully this is a sample of one presented as a finding.

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[removed]82 points·1 months ago

[removed by moderator]

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u/aurel_boatengOP48 points·1 months ago

Dead space ate 19 units on a low-volume draw. Tiny impact at 7.5mg, massive impact at 10mg.

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u/rina_bergstrom121 points·1 months ago·edited

Slight fix: the number was 99.1, not 99.0. Decimal point, but a fairly consequential one.

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u/karim_ilunga94 points·1 months ago

30mg vial, 2mL water, concentration is 30/2 — write it on the vial afterwards

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u/nadia_kjaer70 points·1 months ago

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

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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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