http://articles.mercola.com/sites/articles/archive/2002/09/04/fevers-part-three.aspxInfrared ear thermometers, also known as tympanic thermometers, may be imprecise when it comes to measuring the temperatures of young children. These types of thermometers are inserted into the ear to measure the heat generated by the eardrum and surroundingenCommunityServer 2008.5 SP1 (Build: 31106.3070)