Tags · Practice

syringe units

Insulin syringe graduations and the U-100 convention.

55 topics 15 solved Synonyms: u100, insulin-units Group: Practice

55 topics · page 2 of 2

Topic	Participants	Replies	Views	Activity
The decimal-point error, and the habit that catches it Practice › Reconstitution syringe units concentration maths worked example bacteriostatic water The decimal-point error, and the habit that catches it Writing it up because I had to work it out twice and would rather nobody else did. An honest uncertainty about decimal-point error rather than a…	+110	121	10k	7mo
Coming back to: Feature request: should a dose-equivalence tool exist at all? Data & Tools › Calculators syringe units concentration maths worked example site feedback Solved Feature request: should a dose-equivalence tool exist at all? I have a specific reason for asking rather than idle curiosity, and the context is below. Reading back through what has been written here about…	+37	41	725	7mo
Gauge and length selection for subcutaneous injection Devices › Syringes & needles syringe units needle gauge & length worked example subcutaneous injection Solved Gauge and length selection for subcutaneous injection Writing it up because I had to work it out twice and would rather nobody else did. A follow-up question about gauge and length selection that I did not…	+50	55	1.3k	8mo
[2026 update] How much of the diluent volume the powder itself displaces Practice › Reconstitution reconstitution worked example syringe units Wiki Closed The question in the title: How much of the diluent volume the powder itself displaces I will give what I have already checked below so nobody repeats it. Writing this out with the numbers in it, because…	+89	100	3.2k	8mo
A calculator that gives a right answer to the wrong question — does this still hold? Data & Tools › Calculators worked example concentration maths syringe units site feedback Solved Under review A calculator that gives a right answer to the wrong question — does this still hold? I have a specific reason for asking rather than idle curiosity, and the context is below. Posting the calculation with the…	+23	27	62k	8mo
A 10 mg vial reconstituted three different ways, compared — the long version Practice › Reconstitution reconstitution syringe units worked example concentration maths A 10 mg vial reconstituted three different ways, compared — the long version — setting out what I have, and where I think it stops being reliable. Asking about 10 mg vial reconstituted three directly, because…	+146	158	47k	9mo
Follow-up: Why the titration planner refuses to produce a schedule below a floor Data & Tools › Calculators worked example syringe units site feedback The question in the title: Why the titration planner refuses to produce a schedule below a floor I will give what I have already checked below so nobody repeats it. A follow-up question about titration…	+120	146	14k	10mo
A ten-fold dose error caught before injection Devices › Syringes & needles needle gauge & length worked example syringe units dead volume Closed A ten-fold dose error caught before injection — setting out what I have, and where I think it stops being reliable. Trying to work out what would count as evidence on ten-fold dose error caught, before…	+95	103	26k	10mo
Reconstituting a multi-strength kit without mixing yourself up Practice › Reconstitution reconstitution concentration maths syringe units Wiki Reconstituting a multi-strength kit without mixing yourself up Writing it up because I had to work it out twice and would rather nobody else did. I have spent a fortnight trying to pin reconstituting a…	+108	123	30k	11mo
Foaming during reconstitution and whether it matters Practice › Reconstitution concentration maths bacteriostatic water reconstitution syringe units Posting this under the heading it deserves: Foaming during reconstitution and whether it matters Everything below is what sits behind that. A follow-up question about foaming during reconstitution that I did…	+19	24	466	11mo
Why "add 2 mL" is not an instruction — a second dataset Practice › Reconstitution concentration maths bacteriostatic water worked example dead volume Why "add 2 mL" is not an instruction — a second dataset — that is the question, and I have not found it answered plainly anywhere I have looked. I have read the maintained page on this and I still have a gap,…		2	13k	11mo
Checking someone else's arithmetic: a worked example thread Practice › Reconstitution reconstitution syringe units concentration maths worked example Checking someone else's arithmetic: a worked example thread Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated, because I have seen how…	+74	78	895	11mo
The storage lookup and where its data comes from Data & Tools › Calculators worked example site feedback syringe units concentration maths Solved Closed The storage lookup and where its data comes from — setting out what I have, and where I think it stops being reliable. Working notes on storage lookup rather than a conclusion. I would rather post the…	+4	8	4.1k	11mo
A ten-fold dose error caught before injection — one year on Devices › Syringes & needles dead volume needle gauge & length subcutaneous injection syringe units On the subject in the title: A ten-fold dose error caught before injection — one year on Working notes rather than a conclusion. Two things I would like separated before anyone answers on ten-fold dose error…	+151	157	9.4k	12mo
A 5 mg vial and a 0.25 mg dose: the arithmetic in full — the long version Practice › Reconstitution concentration maths bacteriostatic water syringe units On the subject in the title: A 5 mg vial and a 0.25 mg dose: the arithmetic in full — the long version Working notes rather than a conclusion. A narrow question about 5 mg vial, deliberately narrow, because…	+160	165	1.9k	12mo
A 5 mg vial and a 0.25 mg dose: the arithmetic in full — what changed since Practice › Reconstitution dead volume bacteriostatic water reconstitution syringe units Closed Posting this under the heading it deserves: A 5 mg vial and a 0.25 mg dose: the arithmetic in full — what changed since Everything below is what sits behind that. 5 mg vial: setting out the arithmetic in…	+86	93	25k	13mo
A vial that will not fully dissolve: what to check and in what order Practice › Reconstitution reconstitution bacteriostatic water syringe units Solved A vial that will not fully dissolve: what to check and in what order — setting out what I have, and where I think it stops being reliable. Practical question with the units stated, because I have seen how…	+12	16	40k	15mo
Second pass at: Gauge and length selection for subcutaneous injection Devices › Syringes & needles subcutaneous injection syringe units worked example needle gauge & length Posting this under the heading it deserves: Second pass at: Gauge and length selection for subcutaneous injection Everything below is what sits behind that. The question about Gauge and length selection that…	+50	58	14k	15mo
Over-dilution: when your dose falls below one readable graduation Practice › Reconstitution concentration maths syringe units bacteriostatic water dead volume On the subject in the title: Over-dilution: when your dose falls below one readable graduation Working notes rather than a conclusion. I have read the maintained page on this and I still have a gap, so I am…	+15	19	248	15mo
Revisiting: Bug report: the reconstitution calculator and a rounding edge case Data & Tools › Calculators worked example site feedback syringe units Revisiting: Bug report: the reconstitution calculator and a rounding edge case — setting out what I have, and where I think it stops being reliable. Posting the calculation with the inputs, so that somebody…	+109	122	5.8k	17mo
Feature request: should a dose-equivalence tool exist at all? Data & Tools › Calculators site feedback worked example concentration maths syringe units Closed Feature request: should a dose-equivalence tool exist at all? — that is the question, and I have not found it answered plainly anywhere I have looked. Reading back through what has been written here about…	+21	25	4.8k	18mo
Fixed versus detachable needles: the trade-offs Devices › Syringes & needles dead volume subcutaneous injection syringe units worked example Solved Posting this under the heading it deserves: Fixed versus detachable needles: the trade-offs Everything below is what sits behind that. I was wrong about fixed versus detachable needles in a thread last spring…	+117	121	7.3k	18mo
Swirling versus inverting versus leaving it alone Practice › Reconstitution concentration maths syringe units bacteriostatic water reconstitution On the subject in the title: Swirling versus inverting versus leaving it alone Working notes rather than a conclusion. Asking about swirling versus inverting versus leaving on behalf of the question I keep…		2	18k	18mo
Follow-up: Dead volume across syringe and needle combinations Devices › Syringes & needles syringe units worked example subcutaneous injection dead volume Solved Dead volume across syringe and needle combinations — setting out what I have, and where I think it stops being reliable. A follow-up question about Dead volume across syringe that I did not know to ask the…	+81	98	22k	18mo
The mass-error checker and its intended scope Data & Tools › Calculators worked example concentration maths syringe units site feedback The mass-error checker and its intended scope Writing it up because I had to work it out twice and would rather nobody else did. Proposing that mass-error checker deserves a maintained page rather than a…	+149	167	42k	2y