Skip to content

Independent. We sell nothing and are affiliated with no manufacturer or pharmacy. Every moderation action is logged in public

Devices · subcategory

Syringes & needles

Insulin syringe graduations, dead volume, gauge and length selection, and reading units correctly.

18 topics1,105 posts6 solved Moderators: dr_okonkwo, owen.brady About this category

syringe units dead volume needle gauge & length subcutaneous injection worked example

18 topics

Topic	Participants	Replies	Views	Activity
A ten-fold dose error caught before injection — one year on 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
[2026 update] 0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters dead volume needle gauge & length subcutaneous injection Solved On the subject in the title: 0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters Working notes rather than a conclusion. A follow-up question about 0.3 ml versus 0.5 ml that I did not know to ask the…	+108	124	27k	2mo
Fixed versus detachable needles: the trade-offs 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
A ten-fold dose error caught before injection 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
0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters syringe units subcutaneous injection needle gauge & length dead volume Wiki 0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters — setting out what I have, and where I think it stops being reliable. A follow-up question about 0.3 ml versus 0.5 ml that I did not know to ask…	+104	114	6k	6d
Follow-up: Dead volume across syringe and needle combinations 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
Dead volume across syringe and needle combinations needle gauge & length subcutaneous injection dead volume syringe units On the subject in the title: Dead volume across syringe and needle combinations Working notes rather than a conclusion. Something about dead volume across syringe does not reconcile and I would like a second…	+72	80	28k	5mo
Filter needles: when they help and what they cost you needle gauge & length subcutaneous injection dead volume On the subject in the title: Filter needles: when they help and what they cost you Working notes rather than a conclusion. Trying to work out what would count as evidence on filter needles, before collecting…	+45	50	19k	5mo
Gauge and length selection for subcutaneous injection 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
Second pass at: Gauge and length selection for subcutaneous injection 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
Revisiting: Filter needles: when they help and what they cost you worked example needle gauge & length subcutaneous injection dead volume Closed Revisiting: Filter needles: when they help and what they cost you — setting out what I have, and where I think it stops being reliable. Trying to work out what would count as evidence on Filter needles,…	+48	52	6.6k	11mo
Fixed versus detachable needles: the trade-offs — does this still hold? syringe units needle gauge & length dead volume subcutaneous injection Solved Fixed versus detachable needles: the trade-offs — does this still hold? I have a specific reason for asking rather than idle curiosity, and the context is below. Working notes on Fixed versus detachable…	+8	12	39k	15h
Reading U-100 graduations, with a conversion table dead volume worked example subcutaneous injection needle gauge & length Posting this under the heading it deserves: Reading U-100 graduations, with a conversion table Everything below is what sits behind that. A question about reading U-100 graduations that I think has a definite…	+35	41	2k	1d
About the Syringes & needles category syringe units dead volume needle gauge & length Pinned Wiki Insulin syringe graduations, dead volume, gauge and length selection, and reading units correctly. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded…		4	45k	1mo
Reading a syringe in poor light, and how to avoid needing to — what changed since dead volume subcutaneous injection syringe units needle gauge & length Posting this under the heading it deserves: Reading a syringe in poor light, and how to avoid needing to — what changed since Everything below is what sits behind that. What changes if the standard account of…	+3	7	27k	27d
Reading a syringe in poor light, and how to avoid needing to syringe units dead volume needle gauge & length worked example Solved Reading a syringe in poor light, and how to avoid needing to Writing it up because I had to work it out twice and would rather nobody else did. The question about reading a syringe that I actually want…		2	22k	just now
Reading U-100 graduations, with a conversion table — what changed since worked example dead volume syringe units subcutaneous injection Reading U-100 graduations, with a conversion table — what changed since Writing it up because I had to work it out twice and would rather nobody else did. What changes if the standard account of Reading U-100…		2	10k	2mo
Reading U-100 graduations, with a conversion table — one year on syringe units needle gauge & length worked example subcutaneous injection Reading U-100 graduations, with a conversion table — one year on Writing it up because I had to work it out twice and would rather nobody else did. I would like to disagree carefully with the settled view on…	+3	7	662	4mo

Sponsored PeptideMeter — peptide analytics and supplier verificationPurity analysis and structured supplier verification, published as dated records rather than scores. Referenced throughout our sourcing documentation.View analytics →