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Sunday, March 25, 2012

Dimensions - what do they mean to you?

Numbers usually have some associated dimensions, so when doing dosing calculations it is important to not forget about the associated physical dimensions. Sometimes the dimensions make easy sense: Plasma concentration, for example has the dimension of something like mg/L. Makes sense? Sure. But how about AUC - the famous "area under the curve": mg/L x h Unless you are a numbers and mathematics genius, that dimension makes less sense at first site....

How about speed, say, 80 miles/h? When you see this number and I ask you "How long would it take you to go 80 miles?" - can you easily answer that? If not - here is how a former student of mine deals with this complex task:
http://www.youtube.com/watch?v=Qhm7-LEBznk#

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