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Re: [Health-dev] Fw: Medication product strength.

From: Brenton Chamberland
Subject: Re: [Health-dev] Fw: Medication product strength.
Date: Sun, 1 Mar 2015 07:42:08 -0600

Hi Andrew, Luis -

An EHR product I worked on (commercial) did something very similar to Andrew's suggestion.  We set it up so that when the administrator added a med 'resource', they would define the "units per dose" and "strength per dose" for the med.

Advil 200mg Tablets: units per dose = 1 tab and strength per dose = 200 mg
ADENOSINE 6MG/2ML SYR: units per dose = 2ml and strength per dose = 6 mg

This allowed us to easily calculate things like orders for 400 mg advil - 400/200 = 2 tabs for display in the eMAR.

As I recall, where we struggled was in creating compounds, such as IVs or powders, though I'm failing to remember at the moment what the specific scenarios were.


On Sun, Mar 1, 2015 at 7:12 AM, address@hidden <address@hidden> wrote:
Thanks Luis for the insightful reply.

We need to somehow develop the idea of
"Product Strength" (how much active ingredient is contained in an actual
unit) and how we can create a medication product database/dataset which will
allow interchangable calculations of dose in g/mg/microgram or

Prescribers need the flexibility to prescribe in mg
or capsules so GNU Health will need some sort of conversion table/calculation
which will need to be configured for each medication product by a clinical

I attach a spreadsheet to illustrate what I mean.

Over to you
to work out how best to do this computationally :-)



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