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insulin-syringe

Page 7 of 11 · 244 questions tagged insulin-syringe.

244 questions · sorted by votes · page 7 of 11

16 votes 5 answers11k views
How many units on a U-100 insulin syringe is a 2 mg dose at 5 mg/mL?

What I have: a U-100 insulin syringe · 2 mg · 5 mg/mL. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to lay this…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

313 questions
asked by seamus_brady 15k · 6 months ago
16 votes5 answers8.1k views
How many units on a 1 mL luer-lock syringe is a 20 mg dose at 20 mg/mL?

For reference: a 1 mL luer-lock syringe · 20 mg · 20 mg/mL. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

313 questions
asked by lukas_sedlacek 16k · 6 months ago
16 votes 5 answers6.1k views
How many units on a U-40 insulin syringe is a 15 mg dose at 20 mg/mL?

Stated plainly: a U-40 insulin syringe · 15 mg · 20 mg/mL. I have worked this out and I would like someone to find the error, because I suspect there is one. My…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

313 questions
asked by void_volume 9.5k · 14 days ago
15 votes5 answers42k views
How do I check my dose arithmetic without trusting a website calculator?

I have photographs before and after reconstitution if the visual detail matters. I have done this once and I suspect I got away with it rather than got it right. For…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
harm-reduction
harm-reduction

Reducing avoidable risk where a decision has already been made: independent verification before use, sterility practice, dose arithmetic checked…

472 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
asked by pascal_thibault 11k · 2.2 years ago
15 votes 5 answers29k views
Can I reconstitute tirzepatide at 2.5 mg/mL and still measure a small dose accurately?

For reference: tirzepatide · 2.5 mg/mL. I am at the decision point and I would rather think it through than improvise. I would rather spend money on measurement than…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

295 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
tirzepatide
tirzepatide

A dual GIP and GLP-1 receptor agonist. Questions here cover the SURPASS and SURMOUNT programmes, the practical differences from a pure GLP-1…

370 questions
asked by ekaterina_volk 21k · 16 months ago
15 votes 5 answers26k views
What is the dead-space loss per draw with a 30G needle at 5 mg/mL?

Concretely: a 30G needle · 5 mg/mL. Please show the division. I want to check my own against yours. I would like the general form as well as the specific number, so I…

dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

117 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
asked by dermot_kiely 12k · 21 months ago
15 votes 5 answers25k views
How do I get 12 units out of a vial reconstituted to 8 mg/mL without guessing?

Concretely: 12 units · 8 mg/mL. I have done this once and I suspect I got away with it rather than got it right. For context: I keep records of every batch, every lot…

insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

295 questions
asked by felix_araya 6.8k · 2.0 years ago
15 votes5 answers21k views
How many units on a low-dead-space syringe is a 2 mg dose at 10 mg/mL?

Conditions: a low-dead-space syringe · 2 mg · 10 mg/mL. Please show the division. I want to check my own against yours. I would like the general form as well as the…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

313 questions
asked by rosa_mendieta 8k · 22 months ago
15 votes 2 answers13k views
How many units on a U-40 insulin syringe is a 2 mg dose at 2.5 mg/mL?

Conditions: a U-40 insulin syringe · 2 mg · 2.5 mg/mL. I want the working, not the result — I need to be able to redo it with different numbers. I care about the…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

313 questions
asked by shear_at_the_front 17k · 8 months ago
15 votes 5 answers12k views
How many units on a U-40 insulin syringe is an 8 mg dose at 8 mg/mL?

Conditions: a U-40 insulin syringe · 8 mg · 8 mg/mL. I want the working, not the result — I need to be able to redo it with different numbers. I care about the…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

313 questions
asked by rukhsana_iqbal 17k · 22 months ago
15 votes5 answers11k views
How many units on a 1 mL luer-lock syringe is a 2 mg dose at 8 mg/mL?

Details up front: a 1 mL luer-lock syringe · 2 mg · 8 mg/mL. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to lay…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

313 questions
asked by Dr_Elias_Weiss 25k · 15 months ago
15 votes0 answers6.9k views
What is the arithmetic to convert 4 mg in 2.5 mL into units on a U-100 scale?

The specifics, since they change the answer: 4 mg · 2.5 mL. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

313 questions
asked by cake_collapsed 14k · 15 months ago
15 votes 2 answers5.1k views
How many units on a 1 mL luer-lock syringe is a 2 mg dose at 3.33 mg/mL?

What I have: a 1 mL luer-lock syringe · 2 mg · 3.33 mg/mL. This should be a straightforward calculation and I keep getting two different answers. The numbers are…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

313 questions
asked by dermot_kiely 12k · 5 months ago
14 votes 5 answers35k views
What is the arithmetic to convert 8 mg in 1.5 mL into units on a U-100 scale?

Numbers first: 8 mg · 1.5 mL. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to lay this out, I would rather learn…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

313 questions
asked by stopper_core 28k · 2.4 years ago
14 votes 5 answers19k views
What is the arithmetic to convert 4 mg in 1 mL into units on a U-100 scale?

For reference: 4 mg · 1 mL. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers that differ by a factor of ten,…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

313 questions
asked by klara_novotna 19k · 23 months ago
14 votes 4 answers18k views
Can I reconstitute tirzepatide at 6.67 mg/mL and still measure a small dose accurately?

The specifics, since they change the answer: tirzepatide · 6.67 mg/mL. I would like to define my thresholds before I have a result, for obvious reasons. I want a plan…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

295 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
tirzepatide
tirzepatide

A dual GIP and GLP-1 receptor agonist. Questions here cover the SURPASS and SURMOUNT programmes, the practical differences from a pure GLP-1…

370 questions
asked by esben_lykke 84k · 18 months ago
14 votes5 answers16k views
What is the dead-space loss per draw with an 18G drawing needle at 10 mg/mL?

Details up front: an 18G drawing needle · 10 mg/mL. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to lay this out,…

dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

117 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
asked by lyoph_cake 78k · 10 months ago
14 votes 5 answers14k views
Can I reconstitute liraglutide at 1 mg/mL and still measure a small dose accurately?

The particulars: liraglutide · 1 mg/mL. I am at the decision point and I would rather think it through than improvise. I would rather spend money on measurement than…

diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

295 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
liraglutide
liraglutide

A once-daily GLP-1 receptor agonist and the compound that established the class. Still relevant for its shorter half-life, its paediatric and…

235 questions
asked by retest_please 9.7k · 23 months ago
14 votes1 answer4.6k views
Why does a U-100 insulin syringe read differently from the volume I thought I drew at 2.5 mg/mL?

Details up front: a U-100 insulin syringe · 2.5 mg/mL. I have a result I cannot explain, and I would rather diagnose it than guess. I have checked the obvious…

insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

117 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
asked by lukas_sedlacek 16k · 3 months ago
14 votes5 answers4.3k views
How do I get 30 units out of a vial reconstituted to 5 mg/mL without guessing?

Concretely: 30 units · 5 mg/mL. I am trying to do this correctly the first time rather than learn it by getting it wrong. I have already made one mistake here that…

insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
diluent-volume
diluent-volume

Choosing how much diluent to add, which is really a question about what you want your measurement resolution to be. Larger volumes buy you…

295 questions
asked by pascal_thibault 11k · 2 months ago
13 votes5 answers31k views
What is the arithmetic to convert 20 mg in 2 mL into units on a U-100 scale?

Setup, so nobody has to ask: 20 mg · 2 mL. The units are where I keep going wrong, so please be explicit about them. I have sanity-checked the order of magnitude and…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

313 questions
asked by ravi_pillai 12k · 2.1 years ago
13 votes 5 answers11k views
How many units on a U-100 insulin syringe is a 2.5 mg dose at 20 mg/mL?

Details up front: a U-100 insulin syringe · 2.5 mg · 20 mg/mL. This should be a straightforward calculation and I keep getting two different answers. The numbers are…

dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
reconstitution
reconstitution

Taking a lyophilised vial to a solution of known concentration: choice of diluent, volume selection, how to add liquid without shearing the cake,…

313 questions
asked by forty_units 16k · 16 months ago
13 votes 5 answers8.3k views
What is the dead-space loss per draw with a 29G needle at 2.5 mg/mL?

For reference: a 29G needle · 2.5 mg/mL. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online calculator…

dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

117 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
asked by Dr_Otto_Lindqvist 72k · 8 months ago
13 votes 2 answers6.3k views
What is the dead-space loss per draw with a 29G needle at 6.67 mg/mL?

The specifics, since they change the answer: a 29G needle · 6.67 mg/mL. I would rather understand the derivation than memorise the outcome. Two people I asked gave…

dead-space
dead-space

The volume trapped in the syringe hub and needle after the plunger bottoms out. It is small in absolute terms and large as a fraction of a small…

117 questions
insulin-syringe
insulin-syringe

U-100 and U-40 insulin syringes as measuring instruments. A U-100 syringe is graduated in insulin units where 100 units equals 1 mL, so one unit…

244 questions
dosing-math
dosing-math

The arithmetic itself: milligrams to millilitres to insulin units, concentration after reconstitution, dose per draw, and vial-days per vial. Show…

764 questions
asked by zeynep_arslan 16k · 4 months ago