Why try to dissolve anhydrous glucose. It's known to be very difficult.
For many years we've been using 113 ml Polycal glucose polymer syrup.
This is already dissolved, is much more palatable than glucose, has less
osmotic/vomitogenic potential and is proven (see my paper in the Annals
years ago Vol. 27 1990 p.496).
Alternatively you could use glucose monohydrate 82.5g = 75 g
anhydrous. This dissolves more readily, but still has high osmolality.
Is this a cost-saving measure? If so it may not save anything if the
patient deposits some of the dose on the floor or in the sink and has to
come back a second time to get it right without vomiting.
See also
http://www.pathology.leedsth.nhs.uk/dnn_bilm/Investigationprotocols/Gluc
oseToleranceTestforDiabetes/tabid/149/Default.aspx
Michael Colley
Great Western Hospitals NHS Foundation Trust Great Western Hospital Marlborough Road Swindon
SN3 6BB
Tel 01793 60 40 20
http://www.gwh.nhs.uk
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