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Glucose admixture calculator

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Context

The calculation on non-standard glucose concentration e.g. 12.5% or 17.5% presented a problem. These concentrations were very seldom needed, so it was necessary to perform the calculation very rarely, adding to the risk of error.

Aims

To simplify the calculation process and develop an accurate robust method, using the principle of alligation.

Description

Data can only be entered into the yellow cells. The desired concentration and volume is entered together with the two starting concentrations. The spreadsheet calculates the volumes of the two starting concentrations to be mixed and also from this admixture recalculates to check the concentration of the resultant solution.

Implementation

Used on occasion( as needed), but the need is rare on our unit.

It has eased the process and staff have a tool for checking their calculations when glucose admixtures are needed.

Suggestions for further implementation

Could be developed for other solutions or drugs.

Challenges and learning

Nothing different.

Helpful to use readily available programmes (e.g. spreadsheet) to aid calculation especially those which are unusual, rare or complex.

Quality assurance/MHRA registration

Approved by Trust.